225692554957 has 2 divisors, whose sum is σ = 225692554958. Its totient is φ = 225692554956.

The previous prime is 225692554949. The next prime is 225692554981. The reversal of 225692554957 is 759455296522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181637063721 + 44055491236 = 426189^2 + 209894^2 .

It is a cyclic number.

It is not a de Polignac number, because 225692554957 - 2³ = 225692554949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225692554895 and 225692554904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225692534957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112846277478 + 112846277479.

It is an arithmetic number, because the mean of its divisors is an integer number (112846277479).

Almost surely, 2^225692554957 is an apocalyptic number.

It is an amenable number.

225692554957 is a deficient number, since it is larger than the sum of its proper divisors (1).

225692554957 is an equidigital number, since it uses as much as digits as its factorization.

225692554957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040000, while the sum is 61.

The spelling of 225692554957 in words is "two hundred twenty-five billion, six hundred ninety-two million, five hundred fifty-four thousand, nine hundred fifty-seven".