22609839 has 16 divisors (see below), whose sum is σ = 34790912. Its totient is φ = 12793248.

The previous prime is 22609823. The next prime is 22609841. The reversal of 22609839 is 93890622.

It is not a de Polignac number, because 22609839 - 2⁴ = 22609823 is a prime.

It is a super-2 number, since 2×22609839² = 1022409639211842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22609797 and 22609806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22609859) 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, 3064 + ... + 7389.

It is an arithmetic number, because the mean of its divisors is an integer number (2174432).

Almost surely, 2^22609839 is an apocalyptic number.

22609839 is a deficient number, since it is larger than the sum of its proper divisors (12181073).

22609839 is a wasteful number, since it uses less digits than its factorization.

22609839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 22609839 is about 4754.9804416002. The cubic root of 22609839 is about 282.7694518424.

The spelling of 22609839 in words is "twenty-two million, six hundred nine thousand, eight hundred thirty-nine".