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22420301244 = 223112931188933
BaseRepresentation
bin10100111000010110…
…101010010110111100
32010212111202022101120
4110320112222112330
5331404044114434
614144424510540
71422411262515
oct247026522674
963774668346
1022420301244
119565748190
12441861b450
132163c50b53
14112990ba0c
158b34a2349
hex5385aa5bc

22420301244 has 96 divisors (see below), whose sum is σ = 60942551040. Its totient is φ = 6348115200.

The previous prime is 22420301243. The next prime is 22420301251. The reversal of 22420301244 is 44210302422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420301243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24202 + ... + 213134.

It is an arithmetic number, because the mean of its divisors is an integer number (634818240).

Almost surely, 222420301244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22420301244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30471275520).

22420301244 is an abundant number, since it is smaller than the sum of its proper divisors (38522249796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22420301244 is a wasteful number, since it uses less digits than its factorization.

22420301244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189011 (or 189009 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22420301244 its reverse (44210302422), we get a palindrome (66630603666).

The spelling of 22420301244 in words is "twenty-two billion, four hundred twenty million, three hundred one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 29 31 33 44 58 62 66 87 93 116 124 132 174 186 319 341 348 372 638 682 899 957 1023 1276 1364 1798 1914 2046 2697 3596 3828 4092 5394 9889 10788 19778 29667 39556 59334 118668 188933 377866 566799 755732 1133598 2078263 2267196 4156526 5479057 5856923 6234789 8313052 10958114 11713846 12469578 16437171 17570769 21916228 23427692 24939156 32874342 35141538 60269627 64426153 65748684 70283076 120539254 128852306 169850767 180808881 193278459 241078508 257704612 339701534 361617762 386556918 509552301 679403068 723235524 773113836 1019104602 1868358437 2038209204 3736716874 5605075311 7473433748 11210150622 22420301244