22164174 has 24 divisors (see below), whose sum is σ = 48294792. Its totient is φ = 7346160.

The previous prime is 22164151. The next prime is 22164179. The reversal of 22164174 is 47146122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22164179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144 + ... + 6659.

It is an arithmetic number, because the mean of its divisors is an integer number (2012283).

Almost surely, 2^22164174 is an apocalyptic number.

22164174 is an abundant number, since it is smaller than the sum of its proper divisors (26130618).

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

22164174 is a wasteful number, since it uses less digits than its factorization.

22164174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 6989 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 22164174 is about 4707.8842381690. The cubic root of 22164174 is about 280.8992094714.

The spelling of 22164174 in words is "twenty-two million, one hundred sixty-four thousand, one hundred seventy-four".