22828239 has 12 divisors (see below), whose sum is σ = 37684816. Its totient is φ = 13044672.

The previous prime is 22828231. The next prime is 22828241. The reversal of 22828239 is 93282822.

It is not a de Polignac number, because 22828239 - 2³ = 22828231 is a prime.

It is a super-2 number, since 2×22828239² = 1042256991682242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22828231) 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, 181114 + ... + 181239.

Almost surely, 2^22828239 is an apocalyptic number.

22828239 is a deficient number, since it is larger than the sum of its proper divisors (14856577).

22828239 is a wasteful number, since it uses less digits than its factorization.

22828239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362366 (or 362363 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22828239 is about 4777.8906433697. The cubic root of 22828239 is about 283.6770074948.

The spelling of 22828239 in words is "twenty-two million, eight hundred twenty-eight thousand, two hundred thirty-nine".