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22957090957 is a prime number
BaseRepresentation
bin10101011000010110…
…010110100010001101
32012020220211001110001
4111120112112202031
5334004003402312
614314002044301
71441620024223
oct253026264215
965226731401
1022957090957
119810752249
124548349691
13221b2174b8
14117ad1cb13
158e5686057
hex55859688d

22957090957 has 2 divisors, whose sum is σ = 22957090958. Its totient is φ = 22957090956.

The previous prime is 22957090907. The next prime is 22957090963. The reversal of 22957090957 is 75909075922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12930873796 + 10026217161 = 113714^2 + 100131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22957090957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22957090898 and 22957090907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22957090907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11478545478 + 11478545479.

It is an arithmetic number, because the mean of its divisors is an integer number (11478545479).

Almost surely, 222957090957 is an apocalyptic number.

It is an amenable number.

22957090957 is a deficient number, since it is larger than the sum of its proper divisors (1).

22957090957 is an equidigital number, since it uses as much as digits as its factorization.

22957090957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3572100, while the sum is 55.

The spelling of 22957090957 in words is "twenty-two billion, nine hundred fifty-seven million, ninety thousand, nine hundred fifty-seven".