22740556 has 12 divisors (see below), whose sum is σ = 40448800. Its totient is φ = 11183760.

The previous prime is 22740541. The next prime is 22740559. The reversal of 22740556 is 65504722.

It is not an unprimeable number, because it can be changed into a prime (22740559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46356 + ... + 46843.

Almost surely, 2^22740556 is an apocalyptic number.

It is an amenable number.

22740556 is a deficient number, since it is larger than the sum of its proper divisors (17708244).

22740556 is a wasteful number, since it uses less digits than its factorization.

22740556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93264 (or 93262 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 22740556 is about 4768.7059041212. The cubic root of 22740556 is about 283.3133414575.

The spelling of 22740556 in words is "twenty-two million, seven hundred forty thousand, five hundred fifty-six".