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22422431140 = 2251333784061
BaseRepresentation
bin10100111000011110…
…110010010110100100
32010212122202112001121
4110320132302112210
5331410120244030
614144542303324
71422435343234
oct247036622644
963778675047
1022422431140
11956697242a
124419287b44
132164518445
141129d03cc4
158b377347a
hex5387b25a4

22422431140 has 24 divisors (see below), whose sum is σ = 47091196152. Its totient is φ = 8968193280.

The previous prime is 22422431137. The next prime is 22422431177. The reversal of 22422431140 is 4113422422.

It can be written as a sum of positive squares in 4 ways, for example, as 288728064 + 22133703076 = 16992^2 + 148774^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224710 + ... + 308770.

It is an arithmetic number, because the mean of its divisors is an integer number (1962133173).

Almost surely, 222422431140 is an apocalyptic number.

22422431140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422431140 is an abundant number, since it is smaller than the sum of its proper divisors (24668765012).

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

22422431140 is a wasteful number, since it uses less digits than its factorization.

22422431140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97407 (or 97405 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22422431140 its reverse (4113422422), we get a palindrome (26535853562).

The spelling of 22422431140 in words is "twenty-two billion, four hundred twenty-two million, four hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 13337 26674 53348 66685 84061 133370 168122 266740 336244 420305 840610 1681220 1121121557 2242243114 4484486228 5605607785 11211215570 22422431140