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22401314442 = 2321397986929
BaseRepresentation
bin10100110111001110…
…001110111010001010
32010211012000200101200
4110313032032322022
5331334214030232
614142505525030
71422061013433
oct246716167212
963735020350
1022401314442
119555a5a111
1244121a3776
132160033960
1411271a848a
158b19a177c
hex53738ee8a

22401314442 has 48 divisors (see below), whose sum is σ = 52808650440. Its totient is φ = 6821646336.

The previous prime is 22401314423. The next prime is 22401314449. The reversal of 22401314442 is 24441310422.

It can be written as a sum of positive squares in 4 ways, for example, as 18955507041 + 3445807401 = 137679^2 + 58701^2 .

It is not an unprimeable number, because it can be changed into a prime (22401314449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470767 + ... + 516162.

Almost surely, 222401314442 is an apocalyptic number.

22401314442 is an abundant number, since it is smaller than the sum of its proper divisors (30407335998).

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

22401314442 is a wasteful number, since it uses less digits than its factorization.

22401314442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987047 (or 987044 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 22401314442 its reverse (24441310422), we get a palindrome (46842624864).

The spelling of 22401314442 in words is "twenty-two billion, four hundred one million, three hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 97 117 194 234 291 582 873 1261 1746 2522 3783 7566 11349 22698 986929 1973858 2960787 5921574 8882361 12830077 17764722 25660154 38490231 76980462 95732113 115470693 191464226 230941386 287196339 574392678 861589017 1244517469 1723178034 2489034938 3733552407 7467104814 11200657221 22401314442