22645710775 has 12 divisors (see below), whose sum is σ = 28085561784. Its totient is φ = 18113420000.

The previous prime is 22645710767. The next prime is 22645710803. The reversal of 22645710775 is 57701754622.

It is not a de Polignac number, because 22645710775 - 2³ = 22645710767 is a prime.

It is a super-2 number, since 2×22645710775² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73800 + ... + 225250.

It is an arithmetic number, because the mean of its divisors is an integer number (2340463482).

Almost surely, 2^22645710775 is an apocalyptic number.

22645710775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22645710775 is a deficient number, since it is larger than the sum of its proper divisors (5439851009).

22645710775 is a wasteful number, since it uses less digits than its factorization.

22645710775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157442 (or 157437 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 22645710775 in words is "twenty-two billion, six hundred forty-five million, seven hundred ten thousand, seven hundred seventy-five".