22716816 has 40 divisors (see below), whose sum is σ = 60275904. Its totient is φ = 7367040.

The previous prime is 22716809. The next prime is 22716823. The reversal of 22716816 is 61861722.

It is an interprime number because it is at equal distance from previous prime (22716809) and next prime (22716823).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4620 + ... + 8171.

Almost surely, 2^22716816 is an apocalyptic number.

It is an amenable number.

22716816 is an abundant number, since it is smaller than the sum of its proper divisors (37559088).

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

22716816 is a wasteful number, since it uses less digits than its factorization.

22716816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12839 (or 12833 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 22716816 is about 4766.2161092422. The cubic root of 22716816 is about 283.2147188239.

It can be divided in two parts, 22716 and 816, that added together give a palindrome (23532).

The spelling of 22716816 in words is "twenty-two million, seven hundred sixteen thousand, eight hundred sixteen".