22356772 has 24 divisors (see below), whose sum is σ = 40360320. Its totient is φ = 10830240.

The previous prime is 22356757. The next prime is 22356773. The reversal of 22356772 is 27765322.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22356773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19947 + ... + 21037.

It is an arithmetic number, because the mean of its divisors is an integer number (1681680).

Almost surely, 2^22356772 is an apocalyptic number.

It is an amenable number.

22356772 is a deficient number, since it is larger than the sum of its proper divisors (18003548).

22356772 is a wasteful number, since it uses less digits than its factorization.

22356772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1249 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 22356772 is about 4728.2948300629. The cubic root of 22356772 is about 281.7104988021.

The spelling of 22356772 in words is "twenty-two million, three hundred fifty-six thousand, seven hundred seventy-two".