22798539 has 12 divisors (see below), whose sum is σ = 32994000. Its totient is φ = 15170064.

The previous prime is 22798487. The next prime is 22798571. The reversal of 22798539 is 93589722.

22798539 is a `hidden beast` number, since 2 + 27 + 98 + 539 = 666.

It is not a de Polignac number, because 22798539 - 2¹⁷ = 22667467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22798494 and 22798503.

It is not an unprimeable number, because it can be changed into a prime (22598539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3277 + ... + 7505.

It is an arithmetic number, because the mean of its divisors is an integer number (2749500).

Almost surely, 2^22798539 is an apocalyptic number.

22798539 is a deficient number, since it is larger than the sum of its proper divisors (10195461).

22798539 is a wasteful number, since it uses less digits than its factorization.

22798539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4831 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 22798539 is about 4774.7815656844. The cubic root of 22798539 is about 283.5539309323.

The spelling of 22798539 in words is "twenty-two million, seven hundred ninety-eight thousand, five hundred thirty-nine".