22152684 has 12 divisors (see below), whose sum is σ = 51689624. Its totient is φ = 7384224.

The previous prime is 22152659. The next prime is 22152707. The reversal of 22152684 is 48625122.

It is a tau number, because it is divible by the number of its divisors (12).

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 in 3 ways as a sum of consecutive naturals, for example, 923017 + ... + 923040.

Almost surely, 2^22152684 is an apocalyptic number.

It is an amenable number.

22152684 is an abundant number, since it is smaller than the sum of its proper divisors (29536940).

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

22152684 is a wasteful number, since it uses less digits than its factorization.

22152684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846064 (or 1846062 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22152684 is about 4706.6637865902. The cubic root of 22152684 is about 280.8506613084.

The spelling of 22152684 in words is "twenty-two million, one hundred fifty-two thousand, six hundred eighty-four".