22939294 has 16 divisors (see below), whose sum is σ = 39970656. Its totient is φ = 9669600.

The previous prime is 22939283. The next prime is 22939321. The reversal of 22939294 is 49293922.

It is a happy number.

It is a super-2 number, since 2×22939294² = 1052422418436872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12577 + ... + 14284.

It is an arithmetic number, because the mean of its divisors is an integer number (2498166).

Almost surely, 2^22939294 is an apocalyptic number.

22939294 is a deficient number, since it is larger than the sum of its proper divisors (17031362).

22939294 is a wasteful number, since it uses less digits than its factorization.

22939294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26931.

The product of its digits is 69984, while the sum is 40.

The square root of 22939294 is about 4789.4983035804. The cubic root of 22939294 is about 284.1362749417.

The spelling of 22939294 in words is "twenty-two million, nine hundred thirty-nine thousand, two hundred ninety-four".