22716651 has 16 divisors (see below), whose sum is σ = 31371264. Its totient is φ = 14612544.

The previous prime is 22716643. The next prime is 22716667. The reversal of 22716651 is 15661722.

It is not a de Polignac number, because 22716651 - 2³ = 22716643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22716671) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9190 + ... + 11396.

It is an arithmetic number, because the mean of its divisors is an integer number (1960704).

Almost surely, 2^22716651 is an apocalyptic number.

22716651 is a deficient number, since it is larger than the sum of its proper divisors (8654613).

22716651 is a wasteful number, since it uses less digits than its factorization.

22716651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its digits is 5040, while the sum is 30.

The square root of 22716651 is about 4766.1987998824. The cubic root of 22716651 is about 283.2140331271.

The spelling of 22716651 in words is "twenty-two million, seven hundred sixteen thousand, six hundred fifty-one".