22408839 has 16 divisors (see below), whose sum is σ = 35151840. Its totient is φ = 14060160.

The previous prime is 22408817. The next prime is 22408871. The reversal of 22408839 is 93880422.

It is not a de Polignac number, because 22408839 - 2⁸ = 22408583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22408889) 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, 23952 + ... + 24869.

It is an arithmetic number, because the mean of its divisors is an integer number (2196990).

Almost surely, 2^22408839 is an apocalyptic number.

22408839 is a deficient number, since it is larger than the sum of its proper divisors (12743001).

22408839 is a wasteful number, since it uses less digits than its factorization.

22408839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48847 (or 48841 counting only the distinct ones).

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

The square root of 22408839 is about 4733.7975241871. The cubic root of 22408839 is about 281.9290224266.

The spelling of 22408839 in words is "twenty-two million, four hundred eight thousand, eight hundred thirty-nine".