22449684 has 12 divisors (see below), whose sum is σ = 52382624. Its totient is φ = 7483224.

The previous prime is 22449671. The next prime is 22449689. The reversal of 22449684 is 48694422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22449689) 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, 935392 + ... + 935415.

Almost surely, 2^22449684 is an apocalyptic number.

It is an amenable number.

22449684 is an abundant number, since it is smaller than the sum of its proper divisors (29932940).

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

22449684 is a wasteful number, since it uses less digits than its factorization.

22449684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870814 (or 1870812 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 22449684 is about 4738.1097496787. The cubic root of 22449684 is about 282.1002108516.

The spelling of 22449684 in words is "twenty-two million, four hundred forty-nine thousand, six hundred eighty-four".