22493194 has 4 divisors (see below), whose sum is σ = 33739794. Its totient is φ = 11246596.

The previous prime is 22493153. The next prime is 22493209. The reversal of 22493194 is 49139422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 6692569 = 3975^2 + 2587^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5623297 + ... + 5623300.

Almost surely, 2^22493194 is an apocalyptic number.

22493194 is a deficient number, since it is larger than the sum of its proper divisors (11246600).

22493194 is a wasteful number, since it uses less digits than its factorization.

22493194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246599.

The product of its digits is 15552, while the sum is 34.

The square root of 22493194 is about 4742.6990206000. The cubic root of 22493194 is about 282.2823404994.

The spelling of 22493194 in words is "twenty-two million, four hundred ninety-three thousand, one hundred ninety-four".