22787056 has 10 divisors (see below), whose sum is σ = 44149952. Its totient is φ = 11393520.

The previous prime is 22787047. The next prime is 22787059. The reversal of 22787056 is 65078722.

It is a super-2 number, since 2×22787056² = 1038499842294272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22787059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712080 + ... + 712111.

Almost surely, 2^22787056 is an apocalyptic number.

It is an amenable number.

22787056 is a deficient number, since it is larger than the sum of its proper divisors (21362896).

22787056 is a wasteful number, since it uses less digits than its factorization.

22787056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424199 (or 1424193 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 22787056 is about 4773.5789508502. The cubic root of 22787056 is about 283.5063168198.

The spelling of 22787056 in words is "twenty-two million, seven hundred eighty-seven thousand, fifty-six".