22256166 has 32 divisors (see below), whose sum is σ = 47305440. Its totient is φ = 6967296.

The previous prime is 22256123. The next prime is 22256189. The reversal of 22256166 is 66165222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4710 + ... + 8166.

It is an arithmetic number, because the mean of its divisors is an integer number (1478295).

Almost surely, 2^22256166 is an apocalyptic number.

22256166 is an abundant number, since it is smaller than the sum of its proper divisors (25049274).

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

22256166 is a wasteful number, since it uses less digits than its factorization.

22256166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528.

The product of its digits is 8640, while the sum is 30.

The square root of 22256166 is about 4717.6441154458. The cubic root of 22256166 is about 281.2872953999.

It can be divided in two parts, 22256 and 166, that added together give a palindrome (22422).

The spelling of 22256166 in words is "twenty-two million, two hundred fifty-six thousand, one hundred sixty-six".