22922194 has 4 divisors (see below), whose sum is σ = 34383294. Its totient is φ = 11461096.

The previous prime is 22922183. The next prime is 22922197. The reversal of 22922194 is 49122922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49122922 = 2 ⋅24561461.

It can be written as a sum of positive squares in only one way, i.e., 22439169 + 483025 = 4737^2 + 695^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22922197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5730547 + ... + 5730550.

Almost surely, 2^22922194 is an apocalyptic number.

22922194 is a deficient number, since it is larger than the sum of its proper divisors (11461100).

22922194 is a wasteful number, since it uses less digits than its factorization.

22922194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11461099.

The product of its digits is 5184, while the sum is 31.

The square root of 22922194 is about 4787.7128151133. The cubic root of 22922194 is about 284.0656546615.

The spelling of 22922194 in words is "twenty-two million, nine hundred twenty-two thousand, one hundred ninety-four".