22264993478 has 96 divisors (see below), whose sum is σ = 45066954240. Its totient is φ = 8150103360.

The previous prime is 22264993477. The next prime is 22264993511. The reversal of 22264993478 is 87439946222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22264993477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1030163 + ... + 1051553.

It is an arithmetic number, because the mean of its divisors is an integer number (469447440).

Almost surely, 2^22264993478 is an apocalyptic number.

22264993478 is an abundant number, since it is smaller than the sum of its proper divisors (22801960762).

22264993478 is a wasteful number, since it uses less digits than its factorization.

22264993478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21482 (or 21475 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 22264993478 in words is "twenty-two billion, two hundred sixty-four million, nine hundred ninety-three thousand, four hundred seventy-eight".