22163839 has 2 divisors, whose sum is σ = 22163840. Its totient is φ = 22163838.

The previous prime is 22163833. The next prime is 22163887. The reversal of 22163839 is 93836122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22163839 - 2⁵ = 22163807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22163833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11081919 + 11081920.

It is an arithmetic number, because the mean of its divisors is an integer number (11081920).

Almost surely, 2^22163839 is an apocalyptic number.

22163839 is a deficient number, since it is larger than the sum of its proper divisors (1).

22163839 is an equidigital number, since it uses as much as digits as its factorization.

22163839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 22163839 is about 4707.8486594197. The cubic root of 22163839 is about 280.8977942490.

It can be divided in two parts, 2 and 2163839, that added together give a square (2163841 = 1471²).

The spelling of 22163839 in words is "twenty-two million, one hundred sixty-three thousand, eight hundred thirty-nine".