22329868 has 12 divisors (see below), whose sum is σ = 42629832. Its totient is φ = 10149920.

The previous prime is 22329863. The next prime is 22329877. The reversal of 22329868 is 86892322.

It is a self number, because there is not a number n which added to its sum of digits gives 22329868.

It is not an unprimeable number, because it can be changed into a prime (22329863) 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, 253705 + ... + 253792.

It is an arithmetic number, because the mean of its divisors is an integer number (3552486).

Almost surely, 2^22329868 is an apocalyptic number.

It is an amenable number.

22329868 is a deficient number, since it is larger than the sum of its proper divisors (20299964).

22329868 is a wasteful number, since it uses less digits than its factorization.

22329868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507512 (or 507510 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 22329868 is about 4725.4489733781. The cubic root of 22329868 is about 281.5974505569.

It can be divided in two parts, 2232 and 9868, that added together give a square (12100 = 110²).

The spelling of 22329868 in words is "twenty-two million, three hundred twenty-nine thousand, eight hundred sixty-eight".