22884217 has 2 divisors, whose sum is σ = 22884218. Its totient is φ = 22884216.

The previous prime is 22884209. The next prime is 22884221. The reversal of 22884217 is 71248822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21196816 + 1687401 = 4604^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 22884217 - 2³ = 22884209 is a prime.

It is not a weakly prime, because it can be changed into another prime (22884247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11442108 + 11442109.

It is an arithmetic number, because the mean of its divisors is an integer number (11442109).

Almost surely, 2^22884217 is an apocalyptic number.

It is an amenable number.

22884217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22884217 is an equidigital number, since it uses as much as digits as its factorization.

22884217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 34.

The square root of 22884217 is about 4783.7450810009. The cubic root of 22884217 is about 283.9086899805.

The spelling of 22884217 in words is "twenty-two million, eight hundred eighty-four thousand, two hundred seventeen".