22257958325 has 24 divisors (see below), whose sum is σ = 27898414536. Its totient is φ = 17614080000.

The previous prime is 22257958321. The next prime is 22257958357. The reversal of 22257958325 is 52385975222.

It can be written as a sum of positive squares in 12 ways, for example, as 1749999889 + 20507958436 = 41833^2 + 143206^2 .

It is not a de Polignac number, because 22257958325 - 2² = 22257958321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22257958321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3332189 + ... + 3338861.

It is an arithmetic number, because the mean of its divisors is an integer number (1162433939).

Almost surely, 2^22257958325 is an apocalyptic number.

22257958325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22257958325 is a deficient number, since it is larger than the sum of its proper divisors (5640456211).

22257958325 is a wasteful number, since it uses less digits than its factorization.

22257958325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105 (or 8100 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 50.

The spelling of 22257958325 in words is "twenty-two billion, two hundred fifty-seven million, nine hundred fifty-eight thousand, three hundred twenty-five".