22012194 has 8 divisors (see below), whose sum is σ = 44024400. Its totient is φ = 7337396.

The previous prime is 22012187. The next prime is 22012231. The reversal of 22012194 is 49121022.

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

22012194 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22012194.

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, 1834344 + ... + 1834355.

It is an arithmetic number, because the mean of its divisors is an integer number (5503050).

Almost surely, 2^22012194 is an apocalyptic number.

22012194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22012194 is a wasteful number, since it uses less digits than its factorization.

22012194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668704.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 22012194 is about 4691.7154645183. The cubic root of 22012194 is about 280.2556933030.

The spelling of 22012194 in words is "twenty-two million, twelve thousand, one hundred ninety-four".