22694939 has 4 divisors (see below), whose sum is σ = 22968456. Its totient is φ = 22421424.

The previous prime is 22694923. The next prime is 22694941. The reversal of 22694939 is 93949622.

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

It is a cyclic number.

It is not a de Polignac number, because 22694939 - 2⁴ = 22694923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22694939.

It is not an unprimeable number, because it can be changed into a prime (22694909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136634 + ... + 136799.

It is an arithmetic number, because the mean of its divisors is an integer number (5742114).

Almost surely, 2^22694939 is an apocalyptic number.

22694939 is a deficient number, since it is larger than the sum of its proper divisors (273517).

22694939 is an equidigital number, since it uses as much as digits as its factorization.

22694939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273516.

The product of its digits is 209952, while the sum is 44.

The square root of 22694939 is about 4763.9205492955. The cubic root of 22694939 is about 283.1237747642.

The spelling of 22694939 in words is "twenty-two million, six hundred ninety-four thousand, nine hundred thirty-nine".