22716667 has 2 divisors, whose sum is σ = 22716668. Its totient is φ = 22716666.

The previous prime is 22716643. The next prime is 22716671. The reversal of 22716667 is 76661722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22716667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22716637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11358333 + 11358334.

It is an arithmetic number, because the mean of its divisors is an integer number (11358334).

Almost surely, 2^22716667 is an apocalyptic number.

22716667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22716667 is an equidigital number, since it uses as much as digits as its factorization.

22716667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 22716667 is about 4766.2004783685. The cubic root of 22716667 is about 283.2140996191.

The spelling of 22716667 in words is "twenty-two million, seven hundred sixteen thousand, six hundred sixty-seven".