22770518268 has 12 divisors (see below), whose sum is σ = 53131209320. Its totient is φ = 7590172752.

The previous prime is 22770518263. The next prime is 22770518269. The reversal of 22770518268 is 86281507722.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22770518261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948771583 + ... + 948771606.

Almost surely, 2^22770518268 is an apocalyptic number.

It is an amenable number.

22770518268 is an abundant number, since it is smaller than the sum of its proper divisors (30360691052).

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

22770518268 is a wasteful number, since it uses less digits than its factorization.

22770518268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897543196 (or 1897543194 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 22770518268 in words is "twenty-two billion, seven hundred seventy million, five hundred eighteen thousand, two hundred sixty-eight".