22680138 has 24 divisors (see below), whose sum is σ = 49120128. Its totient is φ = 6978192.

The previous prime is 22680121. The next prime is 22680143. The reversal of 22680138 is 83108622.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10170 + ... + 12197.

It is an arithmetic number, because the mean of its divisors is an integer number (2046672).

Almost surely, 2^22680138 is an apocalyptic number.

22680138 is an abundant number, since it is smaller than the sum of its proper divisors (26439990).

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

22680138 is a wasteful number, since it uses less digits than its factorization.

22680138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22398 (or 22385 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 22680138 is about 4762.3668485324. The cubic root of 22680138 is about 283.0622129287.

The spelling of 22680138 in words is "twenty-two million, six hundred eighty thousand, one hundred thirty-eight".