22100239 has 16 divisors (see below), whose sum is σ = 26059840. Its totient is φ = 18351360.

The previous prime is 22100227. The next prime is 22100251. The reversal of 22100239 is 93200122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22100227) and next prime (22100251).

It is a cyclic number.

It is not a de Polignac number, because 22100239 - 2⁵ = 22100207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100219) 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, 30817 + ... + 31525.

It is an arithmetic number, because the mean of its divisors is an integer number (1628740).

Almost surely, 2^22100239 is an apocalyptic number.

22100239 is a deficient number, since it is larger than the sum of its proper divisors (3959601).

22100239 is an equidigital number, since it uses as much as digits as its factorization.

22100239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22100239 is about 4701.0891291274. The cubic root of 22100239 is about 280.6288544501.

The spelling of 22100239 in words is "twenty-two million, one hundred thousand, two hundred thirty-nine".