22079289 has 4 divisors (see below), whose sum is σ = 29439056. Its totient is φ = 14719524.

The previous prime is 22079261. The next prime is 22079327. The reversal of 22079289 is 98297022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22079289 - 2⁵ = 22079257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22079219) 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, 3679879 + ... + 3679884.

It is an arithmetic number, because the mean of its divisors is an integer number (7359764).

Almost surely, 2^22079289 is an apocalyptic number.

It is an amenable number.

22079289 is a deficient number, since it is larger than the sum of its proper divisors (7359767).

22079289 is an equidigital number, since it uses as much as digits as its factorization.

22079289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359766.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 22079289 is about 4698.8603937551. The cubic root of 22079289 is about 280.5401520427.

The spelling of 22079289 in words is "twenty-two million, seventy-nine thousand, two hundred eighty-nine".