22056171 has 16 divisors (see below), whose sum is σ = 29963136. Its totient is φ = 14429376.

The previous prime is 22056163. The next prime is 22056173. The reversal of 22056171 is 17165022.

It is not a de Polignac number, because 22056171 - 2³ = 22056163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22056173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70311 + ... + 70623.

It is an arithmetic number, because the mean of its divisors is an integer number (1872696).

Almost surely, 2^22056171 is an apocalyptic number.

22056171 is a deficient number, since it is larger than the sum of its proper divisors (7906965).

22056171 is a wasteful number, since it uses less digits than its factorization.

22056171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 22056171 is about 4696.3997913295. The cubic root of 22056171 is about 280.4422051675.

The spelling of 22056171 in words is "twenty-two million, fifty-six thousand, one hundred seventy-one".