22389612 has 48 divisors (see below), whose sum is σ = 63221760. Its totient is φ = 6020352.

The previous prime is 22389607. The next prime is 22389617. The reversal of 22389612 is 21698322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22389607) and next prime (22389617).

It is not an unprimeable number, because it can be changed into a prime (22389617) 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 in 15 ways as a sum of consecutive naturals, for example, 6412 + ... + 9267.

It is an arithmetic number, because the mean of its divisors is an integer number (1317120).

Almost surely, 2^22389612 is an apocalyptic number.

It is an amenable number.

22389612 is an abundant number, since it is smaller than the sum of its proper divisors (40832148).

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

22389612 is a wasteful number, since it uses less digits than its factorization.

22389612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15710 (or 15708 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 22389612 is about 4731.7662664168. The cubic root of 22389612 is about 281.8483667476.

The spelling of 22389612 in words is "twenty-two million, three hundred eighty-nine thousand, six hundred twelve".