22123194 has 16 divisors (see below), whose sum is σ = 46170432. Its totient is φ = 7053728.

The previous prime is 22123187. The next prime is 22123237. The reversal of 22123194 is 49132122.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80019 + ... + 80294.

It is an arithmetic number, because the mean of its divisors is an integer number (2885652).

Almost surely, 2^22123194 is an apocalyptic number.

22123194 is an abundant number, since it is smaller than the sum of its proper divisors (24047238).

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

22123194 is a wasteful number, since it uses less digits than its factorization.

22123194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160341.

The product of its digits is 864, while the sum is 24.

The square root of 22123194 is about 4703.5299510049. The cubic root of 22123194 is about 280.7259817000.

The spelling of 22123194 in words is "twenty-two million, one hundred twenty-three thousand, one hundred ninety-four".