22638099 has 8 divisors (see below), whose sum is σ = 32928192. Its totient is φ = 13720040.

The previous prime is 22638037. The next prime is 22638107. The reversal of 22638099 is 99083622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22638099 - 2²⁰ = 21589523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22638199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342969 + ... + 343034.

It is an arithmetic number, because the mean of its divisors is an integer number (4116024).

Almost surely, 2^22638099 is an apocalyptic number.

22638099 is a deficient number, since it is larger than the sum of its proper divisors (10290093).

22638099 is a wasteful number, since it uses less digits than its factorization.

22638099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686017.

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

The square root of 22638099 is about 4757.9511346797. The cubic root of 22638099 is about 282.8872138144.

The spelling of 22638099 in words is "twenty-two million, six hundred thirty-eight thousand, ninety-nine".