22320904725 has 96 divisors (see below), whose sum is σ = 47441447680. Its totient is φ = 10203667200.

The previous prime is 22320904717. The next prime is 22320904733. The reversal of 22320904725 is 52740902322.

It is an interprime number because it is at equal distance from previous prime (22320904717) and next prime (22320904733).

It is not a de Polignac number, because 22320904725 - 2³ = 22320904717 is a prime.

It is a super-3 number, since 3×22320904725³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22320904725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 353565 + ... + 411885.

Almost surely, 2^22320904725 is an apocalyptic number.

22320904725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22320904725 is an abundant number, since it is smaller than the sum of its proper divisors (25120542955).

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

22320904725 is an frugal number, since it uses more digits than its factorization.

22320904725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58359 (or 58336 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 22320904725 in words is "twenty-two billion, three hundred twenty million, nine hundred four thousand, seven hundred twenty-five".