22694138 has 16 divisors (see below), whose sum is σ = 35057664. Its totient is φ = 11012400.

The previous prime is 22694117. The next prime is 22694171. The reversal of 22694138 is 83149622.

It is a junction number, because it is equal to n+sod(n) for n = 22694098 and 22694107.

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, 10988 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (2191104).

Almost surely, 2^22694138 is an apocalyptic number.

22694138 is a deficient number, since it is larger than the sum of its proper divisors (12363526).

22694138 is a wasteful number, since it uses less digits than its factorization.

22694138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077.

The product of its digits is 20736, while the sum is 35.

The square root of 22694138 is about 4763.8364791416. The cubic root of 22694138 is about 283.1204438481.

The spelling of 22694138 in words is "twenty-two million, six hundred ninety-four thousand, one hundred thirty-eight".