22914217 has 2 divisors, whose sum is σ = 22914218. Its totient is φ = 22914216.

The previous prime is 22914197. The next prime is 22914257. The reversal of 22914217 is 71241922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19900521 + 3013696 = 4461^2 + 1736^2 .

It is a cyclic number.

It is not a de Polignac number, because 22914217 - 2¹⁹ = 22389929 is a prime.

It is a super-2 number, since 2×22914217² = 1050122681446178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22914257) 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 as a sum of consecutive naturals, namely, 11457108 + 11457109.

It is an arithmetic number, because the mean of its divisors is an integer number (11457109).

Almost surely, 2^22914217 is an apocalyptic number.

It is an amenable number.

22914217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22914217 is an equidigital number, since it uses as much as digits as its factorization.

22914217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 22914217 is about 4786.8796726051. The cubic root of 22914217 is about 284.0326989064.

The spelling of 22914217 in words is "twenty-two million, nine hundred fourteen thousand, two hundred seventeen".