22353772 has 24 divisors (see below), whose sum is σ = 45917984. Its totient is φ = 9320832.

The previous prime is 22353767. The next prime is 22353791. The reversal of 22353772 is 27735322.

It is a super-2 number, since 2×22353772² = 999382245255968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9753 + ... + 11824.

Almost surely, 2^22353772 is an apocalyptic number.

It is an amenable number.

22353772 is an abundant number, since it is smaller than the sum of its proper divisors (23564212).

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

22353772 is a wasteful number, since it uses less digits than its factorization.

22353772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21625 (or 21623 counting only the distinct ones).

The product of its digits is 17640, while the sum is 31.

The square root of 22353772 is about 4727.9775803191. The cubic root of 22353772 is about 281.6978975598.

The spelling of 22353772 in words is "twenty-two million, three hundred fifty-three thousand, seven hundred seventy-two".