22722366 has 32 divisors (see below), whose sum is σ = 49138560. Its totient is φ = 6980256.

The previous prime is 22722311. The next prime is 22722391. The reversal of 22722366 is 66322722.

It is a congruent number.

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, 1525 + ... + 6911.

It is an arithmetic number, because the mean of its divisors is an integer number (1535580).

Almost surely, 2^22722366 is an apocalyptic number.

22722366 is an abundant number, since it is smaller than the sum of its proper divisors (26416194).

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

22722366 is a wasteful number, since it uses less digits than its factorization.

22722366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448.

The product of its digits is 12096, while the sum is 30.

The square root of 22722366 is about 4766.7982965508. The cubic root of 22722366 is about 283.2377812357.

The spelling of 22722366 in words is "twenty-two million, seven hundred twenty-two thousand, three hundred sixty-six".