22306716 has 36 divisors (see below), whose sum is σ = 56535024. Its totient is φ = 7416000.

The previous prime is 22306679. The next prime is 22306727. The reversal of 22306716 is 61760322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22306716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21121 + ... + 22151.

Almost surely, 2^22306716 is an apocalyptic number.

It is an amenable number.

22306716 is an abundant number, since it is smaller than the sum of its proper divisors (34228308).

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

22306716 is a wasteful number, since it uses less digits than its factorization.

22306716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22306716 is about 4722.9986237559. The cubic root of 22306716 is about 281.5000951723.

The spelling of 22306716 in words is "twenty-two million, three hundred six thousand, seven hundred sixteen".