22969217 has 2 divisors, whose sum is σ = 22969218. Its totient is φ = 22969216.

The previous prime is 22969213. The next prime is 22969273. The reversal of 22969217 is 71296922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16613776 + 6355441 = 4076^2 + 2521^2 .

It is a cyclic number.

It is not a de Polignac number, because 22969217 - 2² = 22969213 is a prime.

It is not a weakly prime, because it can be changed into another prime (22969213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11484608 + 11484609.

It is an arithmetic number, because the mean of its divisors is an integer number (11484609).

Almost surely, 2^22969217 is an apocalyptic number.

It is an amenable number.

22969217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22969217 is an equidigital number, since it uses as much as digits as its factorization.

22969217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 22969217 is about 4792.6210991481. The cubic root of 22969217 is about 284.2597677797.

The spelling of 22969217 in words is "twenty-two million, nine hundred sixty-nine thousand, two hundred seventeen".