22566066 has 16 divisors (see below), whose sum is σ = 45209664. Its totient is φ = 7509104.

The previous prime is 22566043. The next prime is 22566067. The reversal of 22566066 is 66066522.

It is not an unprimeable number, because it can be changed into a prime (22566067) by changing a digit.

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, 976 + ... + 6788.

It is an arithmetic number, because the mean of its divisors is an integer number (2825604).

Almost surely, 2^22566066 is an apocalyptic number.

22566066 is an abundant number, since it is smaller than the sum of its proper divisors (22643598).

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

22566066 is a wasteful number, since it uses less digits than its factorization.

22566066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 22566066 is about 4750.3753535905. The cubic root of 22566066 is about 282.5868519338.

The spelling of 22566066 in words is "twenty-two million, five hundred sixty-six thousand, sixty-six".