22838999 has 4 divisors (see below), whose sum is σ = 23151936. Its totient is φ = 22526064.

The previous prime is 22838993. The next prime is 22839049. The reversal of 22838999 is 99983822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22838999 - 2²⁰ = 21790423 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 (22838993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156359 + ... + 156504.

It is an arithmetic number, because the mean of its divisors is an integer number (5787984).

Almost surely, 2^22838999 is an apocalyptic number.

22838999 is a deficient number, since it is larger than the sum of its proper divisors (312937).

22838999 is an equidigital number, since it uses as much as digits as its factorization.

22838999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312936.

The product of its digits is 559872, while the sum is 50.

The square root of 22838999 is about 4779.0165306264. The cubic root of 22838999 is about 283.7215705052.

The spelling of 22838999 in words is "twenty-two million, eight hundred thirty-eight thousand, nine hundred ninety-nine".