22394939 has 16 divisors (see below), whose sum is σ = 28116480. Its totient is φ = 17392320.

The previous prime is 22394929. The next prime is 22394947. The reversal of 22394939 is 93949322.

It is a cyclic number.

It is not a de Polignac number, because 22394939 - 2⁴ = 22394923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22394896 and 22394905.

It is not an unprimeable number, because it can be changed into a prime (22394909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (1757280).

Almost surely, 2^22394939 is an apocalyptic number.

22394939 is a deficient number, since it is larger than the sum of its proper divisors (5721541).

22394939 is a wasteful number, since it uses less digits than its factorization.

22394939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370.

The product of its digits is 104976, while the sum is 41.

The square root of 22394939 is about 4732.3291305656. The cubic root of 22394939 is about 281.8707176961.

The spelling of 22394939 in words is "twenty-two million, three hundred ninety-four thousand, nine hundred thirty-nine".