22489716 has 12 divisors (see below), whose sum is σ = 52476032. Its totient is φ = 7496568.

The previous prime is 22489669. The next prime is 22489721. The reversal of 22489716 is 61798422.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 937060 + ... + 937083.

Almost surely, 2^22489716 is an apocalyptic number.

It is an amenable number.

22489716 is an abundant number, since it is smaller than the sum of its proper divisors (29986316).

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

22489716 is a wasteful number, since it uses less digits than its factorization.

22489716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874150 (or 1874148 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 22489716 is about 4742.3323375740. The cubic root of 22489716 is about 282.2677904895.

The spelling of 22489716 in words is "twenty-two million, four hundred eighty-nine thousand, seven hundred sixteen".