22289056 has 12 divisors (see below), whose sum is σ = 43881642. Its totient is φ = 11144512.

The previous prime is 22289053. The next prime is 22289077. The reversal of 22289056 is 65098222.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 48400 = 4716^2 + 220^2 .

It is a super-2 number, since 2×22289056² = 993604034742272, which contains 22 as substring.

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 (22289053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348235 + ... + 348298.

Almost surely, 2^22289056 is an apocalyptic number.

It is an amenable number.

22289056 is a deficient number, since it is larger than the sum of its proper divisors (21592586).

22289056 is an equidigital number, since it uses as much as digits as its factorization.

22289056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696543 (or 696535 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 22289056 is about 4721.1286786107. The cubic root of 22289056 is about 281.4257886396.

The spelling of 22289056 in words is "twenty-two million, two hundred eighty-nine thousand, fifty-six".