22275765774 has 28 divisors (see below), whose sum is σ = 50097558816. Its totient is φ = 7425254772.

The previous prime is 22275765763. The next prime is 22275765791. The reversal of 22275765774 is 47756757222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 22275765774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7637694 + ... + 7640609.

Almost surely, 2^22275765774 is an apocalyptic number.

22275765774 is an abundant number, since it is smaller than the sum of its proper divisors (27821793042).

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

22275765774 is an equidigital number, since it uses as much as digits as its factorization.

22275765774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15278323 (or 15278308 counting only the distinct ones).

The product of its digits is 11524800, while the sum is 54.

The spelling of 22275765774 in words is "twenty-two billion, two hundred seventy-five million, seven hundred sixty-five thousand, seven hundred seventy-four".