22459638 has 16 divisors (see below), whose sum is σ = 46872576. Its totient is φ = 7161000.

The previous prime is 22459637. The next prime is 22459649. The reversal of 22459638 is 83695422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22459596 and 22459605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22459637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81238 + ... + 81513.

It is an arithmetic number, because the mean of its divisors is an integer number (2929536).

Almost surely, 2^22459638 is an apocalyptic number.

22459638 is an abundant number, since it is smaller than the sum of its proper divisors (24412938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22459638 is a wasteful number, since it uses less digits than its factorization.

22459638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162779.

The product of its digits is 103680, while the sum is 39.

The square root of 22459638 is about 4739.1600521611. The cubic root of 22459638 is about 282.1418983067.

The spelling of 22459638 in words is "twenty-two million, four hundred fifty-nine thousand, six hundred thirty-eight".