22294830778 has 32 divisors (see below), whose sum is σ = 39672514368. Its totient is φ = 9280108800.

The previous prime is 22294830763. The next prime is 22294830781. The reversal of 22294830778 is 87703849222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791728 + ... + 819403.

It is an arithmetic number, because the mean of its divisors is an integer number (1239766074).

Almost surely, 2^22294830778 is an apocalyptic number.

22294830778 is a deficient number, since it is larger than the sum of its proper divisors (17377683590).

22294830778 is a wasteful number, since it uses less digits than its factorization.

22294830778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611198.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 22294830778 in words is "twenty-two billion, two hundred ninety-four million, eight hundred thirty thousand, seven hundred seventy-eight".