22320332 has 6 divisors (see below), whose sum is σ = 39060588. Its totient is φ = 11160164.

The previous prime is 22320317. The next prime is 22320391. The reversal of 22320332 is 23302322.

It is a super-3 number, since 3×22320332³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22320332.

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 as a sum of consecutive naturals, namely, 2790038 + ... + 2790045.

It is an arithmetic number, because the mean of its divisors is an integer number (6510098).

Almost surely, 2^22320332 is an apocalyptic number.

It is an amenable number.

22320332 is a deficient number, since it is larger than the sum of its proper divisors (16740256).

22320332 is a wasteful number, since it uses less digits than its factorization.

22320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580087 (or 5580085 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 22320332 is about 4724.4398609782. The cubic root of 22320332 is about 281.5573593267.

Adding to 22320332 its reverse (23302322), we get a palindrome (45622654).

The spelling of 22320332 in words is "twenty-two million, three hundred twenty thousand, three hundred thirty-two".