22685226624 has 384 divisors, whose sum is σ = 72134400000. Its totient is φ = 6815508480.

The previous prime is 22685226601. The next prime is 22685226637. The reversal of 22685226624 is 42662258622.

22685226624 is a `hidden beast` number, since 2 + 2 + 68 + 522 + 6 + 62 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 22685226624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45461127 + ... + 45461625.

It is an arithmetic number, because the mean of its divisors is an integer number (187850000).

Almost surely, 2^22685226624 is an apocalyptic number.

22685226624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22685226624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36067200000).

22685226624 is an abundant number, since it is smaller than the sum of its proper divisors (49449173376).

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

22685226624 is a wasteful number, since it uses less digits than its factorization.

22685226624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 621 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The spelling of 22685226624 in words is "twenty-two billion, six hundred eighty-five million, two hundred twenty-six thousand, six hundred twenty-four".