22964591452 has 72 divisors (see below), whose sum is σ = 46608019920. Its totient is φ = 9865785600.

The previous prime is 22964591411. The next prime is 22964591483. The reversal of 22964591452 is 25419546922.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22964591396 and 22964591405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4236648 + ... + 4242064.

It is an arithmetic number, because the mean of its divisors is an integer number (647333610).

Almost surely, 2^22964591452 is an apocalyptic number.

22964591452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22964591452 is an abundant number, since it is smaller than the sum of its proper divisors (23643428468).

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

22964591452 is a wasteful number, since it uses less digits than its factorization.

22964591452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923 (or 5910 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

It can be divided in two parts, 22964 and 591452, that added together give a palindrome (614416).

The spelling of 22964591452 in words is "twenty-two billion, nine hundred sixty-four million, five hundred ninety-one thousand, four hundred fifty-two".