22288056 has 32 divisors (see below), whose sum is σ = 63680640. Its totient is φ = 6367968.

The previous prime is 22288043. The next prime is 22288069. The reversal of 22288056 is 65088222.

It is an interprime number because it is at equal distance from previous prime (22288043) and next prime (22288069).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66166 + ... + 66501.

It is an arithmetic number, because the mean of its divisors is an integer number (1990020).

Almost surely, 2^22288056 is an apocalyptic number.

It is an amenable number.

22288056 is an abundant number, since it is smaller than the sum of its proper divisors (41392584).

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

22288056 is a wasteful number, since it uses less digits than its factorization.

22288056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132683 (or 132679 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 22288056 is about 4721.0227705445. The cubic root of 22288056 is about 281.4215798476.

The spelling of 22288056 in words is "twenty-two million, two hundred eighty-eight thousand, fifty-six".