22399322 has 16 divisors (see below), whose sum is σ = 37256544. Its totient is φ = 10014000.

The previous prime is 22399313. The next prime is 22399357.

22399322 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7004 + ... + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (2328534).

Almost surely, 2^22399322 is an apocalyptic number.

22399322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22399322 is a deficient number, since it is larger than the sum of its proper divisors (14857222).

22399322 is a wasteful number, since it uses less digits than its factorization.

22399322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16765.

The product of its digits is 11664, while the sum is 32.

The square root of 22399322 is about 4732.7921991146. The cubic root of 22399322 is about 281.8891051655.

The spelling of 22399322 in words is "twenty-two million, three hundred ninety-nine thousand, three hundred twenty-two".