22617241 has 2 divisors, whose sum is σ = 22617242. Its totient is φ = 22617240.

The previous prime is 22617223. The next prime is 22617247. The reversal of 22617241 is 14271622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19395216 + 3222025 = 4404^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 22617241 - 2¹¹ = 22615193 is a prime.

It is not a weakly prime, because it can be changed into another prime (22617247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11308620 + 11308621.

It is an arithmetic number, because the mean of its divisors is an integer number (11308621).

Almost surely, 2^22617241 is an apocalyptic number.

It is an amenable number.

22617241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22617241 is an equidigital number, since it uses as much as digits as its factorization.

22617241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 22617241 is about 4755.7587196997. The cubic root of 22617241 is about 282.8003061255.

Adding to 22617241 its reverse (14271622), we get a palindrome (36888863).

The spelling of 22617241 in words is "twenty-two million, six hundred seventeen thousand, two hundred forty-one".