22159667 has 2 divisors, whose sum is σ = 22159668. Its totient is φ = 22159666.

The previous prime is 22159601. The next prime is 22159691. The reversal of 22159667 is 76695122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22159667 - 2¹⁴ = 22143283 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22159667.

It is not a weakly prime, because it can be changed into another prime (22159367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11079833 + 11079834.

It is an arithmetic number, because the mean of its divisors is an integer number (11079834).

Almost surely, 2^22159667 is an apocalyptic number.

22159667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22159667 is an equidigital number, since it uses as much as digits as its factorization.

22159667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 22159667 is about 4707.4055487073. The cubic root of 22159667 is about 280.8801682541.

The spelling of 22159667 in words is "twenty-two million, one hundred fifty-nine thousand, six hundred sixty-seven".