22400332 has 6 divisors (see below), whose sum is σ = 39200588. Its totient is φ = 11200164.

The previous prime is 22400327. The next prime is 22400333. The reversal of 22400332 is 23300422.

It is not an unprimeable number, because it can be changed into a prime (22400333) 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 as a sum of consecutive naturals, namely, 2800038 + ... + 2800045.

Almost surely, 2^22400332 is an apocalyptic number.

It is an amenable number.

22400332 is a deficient number, since it is larger than the sum of its proper divisors (16800256).

22400332 is a wasteful number, since it uses less digits than its factorization.

22400332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600087 (or 5600085 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22400332 is about 4732.8989002513. The cubic root of 22400332 is about 281.8933419562.

Adding to 22400332 its reverse (23300422), we get a palindrome (45700754).

The spelling of 22400332 in words is "twenty-two million, four hundred thousand, three hundred thirty-two".