22439073 has 4 divisors (see below), whose sum is σ = 29918768. Its totient is φ = 14959380.

The previous prime is 22439059. The next prime is 22439083. The reversal of 22439073 is 37093422.

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 22439073 - 2⁸ = 22438817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22439073.

It is not an unprimeable number, because it can be changed into a prime (22439003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3739843 + ... + 3739848.

It is an arithmetic number, because the mean of its divisors is an integer number (7479692).

Almost surely, 2^22439073 is an apocalyptic number.

It is an amenable number.

22439073 is a deficient number, since it is larger than the sum of its proper divisors (7479695).

22439073 is an equidigital number, since it uses as much as digits as its factorization.

22439073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479694.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 22439073 is about 4736.9898669936. The cubic root of 22439073 is about 282.0557583020.

The spelling of 22439073 in words is "twenty-two million, four hundred thirty-nine thousand, seventy-three".