22775661306624 has 72 divisors (see below), whose sum is σ = 61297557738480. Its totient is φ = 7506584977408.

The previous prime is 22775661306599. The next prime is 22775661306653. The reversal of 22775661306624 is 42660316657722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166537317 + ... + 166674020.

It is an arithmetic number, because the mean of its divisors is an integer number (851354968590).

Almost surely, 2^{22775661306624} is an apocalyptic number.

22775661306624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22775661306624 is an abundant number, since it is smaller than the sum of its proper divisors (38521896431856).

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

22775661306624 is an equidigital number, since it uses as much as digits as its factorization.

22775661306624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333211445 (or 333211431 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 57.

The spelling of 22775661306624 in words is "twenty-two trillion, seven hundred seventy-five billion, six hundred sixty-one million, three hundred six thousand, six hundred twenty-four".