22132839 has 4 divisors (see below), whose sum is σ = 29510456. Its totient is φ = 14755224.

The previous prime is 22132811. The next prime is 22132871. The reversal of 22132839 is 93823122.

It is a happy number.

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

It is not a de Polignac number, because 22132839 - 2⁷ = 22132711 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 (22132879) 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 3 ways as a sum of consecutive naturals, for example, 3688804 + ... + 3688809.

It is an arithmetic number, because the mean of its divisors is an integer number (7377614).

Almost surely, 2^22132839 is an apocalyptic number.

22132839 is a deficient number, since it is larger than the sum of its proper divisors (7377617).

22132839 is an equidigital number, since it uses as much as digits as its factorization.

22132839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377616.

The product of its digits is 5184, while the sum is 30.

The square root of 22132839 is about 4704.5551330599. Note that the first 3 decimals coincide. The cubic root of 22132839 is about 280.7667716016.

The spelling of 22132839 in words is "twenty-two million, one hundred thirty-two thousand, eight hundred thirty-nine".