22079304 has 80 divisors (see below), whose sum is σ = 66625020. Its totient is φ = 6791040.

The previous prime is 22079261. The next prime is 22079327. The reversal of 22079304 is 40397022.

It can be written as a sum of positive squares in 2 ways, for example, as 22071204 + 8100 = 4698^2 + 90^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 7114 + ... + 9734.

Almost surely, 2^22079304 is an apocalyptic number.

22079304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22079304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33312510).

22079304 is an abundant number, since it is smaller than the sum of its proper divisors (44545716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22079304 is a wasteful number, since it uses less digits than its factorization.

22079304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22079304 is about 4698.8619898865. The cubic root of 22079304 is about 280.5402155729.

It can be divided in two parts, 2207 and 9304, that added together give a palindrome (11511).

The spelling of 22079304 in words is "twenty-two million, seventy-nine thousand, three hundred four".