225490291957 has 96 divisors (see below), whose sum is σ = 297743558400. Its totient is φ = 169674559488.

The previous prime is 225490291937. The next prime is 225490291963. The reversal of 225490291957 is 759192094522.

It is not a de Polignac number, because 225490291957 - 2³⁵ = 191130553589 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 225490291898 and 225490291907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225490291937) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 396291969 + ... + 396292537.

It is an arithmetic number, because the mean of its divisors is an integer number (3101495400).

Almost surely, 2^225490291957 is an apocalyptic number.

It is an amenable number.

225490291957 is a deficient number, since it is larger than the sum of its proper divisors (72253266443).

225490291957 is an frugal number, since it uses more digits than its factorization.

225490291957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 225490291957 in words is "two hundred twenty-five billion, four hundred ninety million, two hundred ninety-one thousand, nine hundred fifty-seven".