22138174 has 8 divisors (see below), whose sum is σ = 33298848. Its totient is φ = 11038560.

The previous prime is 22138159. The next prime is 22138187. The reversal of 22138174 is 47183122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14347 + ... + 15814.

It is an arithmetic number, because the mean of its divisors is an integer number (4162356).

Almost surely, 2^22138174 is an apocalyptic number.

22138174 is a deficient number, since it is larger than the sum of its proper divisors (11160674).

22138174 is a wasteful number, since it uses less digits than its factorization.

22138174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30530.

The product of its digits is 2688, while the sum is 28.

The square root of 22138174 is about 4705.1221025601. The cubic root of 22138174 is about 280.7893288883.

The spelling of 22138174 in words is "twenty-two million, one hundred thirty-eight thousand, one hundred seventy-four".