Search a number
-
+
22031552244 = 22313311454109
BaseRepresentation
bin10100100001001011…
…101100111011110100
32002212102020211000110
4110201023230323310
5330110034132434
614042100343020
71406651050512
oct244113547364
962772224013
1022031552244
119386267319
12432a3a4a70
13210154b660
1410d00354b2
1588e2b24e9
hex5212ecef4

22031552244 has 48 divisors (see below), whose sum is σ = 55539469440. Its totient is φ = 6757127040.

The previous prime is 22031552243. The next prime is 22031552251. The reversal of 22031552244 is 44225513022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031552243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178539 + ... + 275570.

It is an arithmetic number, because the mean of its divisors is an integer number (1157072280).

Almost surely, 222031552244 is an apocalyptic number.

It is an amenable number.

22031552244 is an abundant number, since it is smaller than the sum of its proper divisors (33507917196).

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

22031552244 is a wasteful number, since it uses less digits than its factorization.

22031552244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454440 (or 454438 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 22031552244 in words is "twenty-two billion, thirty-one million, five hundred fifty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 311 622 933 1244 1866 3732 4043 8086 12129 16172 24258 48516 454109 908218 1362327 1816436 2724654 5449308 5903417 11806834 17710251 23613668 35420502 70841004 141227899 282455798 423683697 564911596 847367394 1694734788 1835962687 3671925374 5507888061 7343850748 11015776122 22031552244