254222417 has 2 divisors, whose sum is σ = 254222418. Its totient is φ = 254222416.

The previous prime is 254222411. The next prime is 254222431. The reversal of 254222417 is 714222452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239599441 + 14622976 = 15479^2 + 3824^2 .

It is a cyclic number.

It is not a de Polignac number, because 254222417 - 2⁴ = 254222401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254222417.

It is not a weakly prime, because it can be changed into another prime (254222411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127111208 + 127111209.

It is an arithmetic number, because the mean of its divisors is an integer number (127111209).

Almost surely, 2^254222417 is an apocalyptic number.

It is an amenable number.

254222417 is a deficient number, since it is larger than the sum of its proper divisors (1).

254222417 is an equidigital number, since it uses as much as digits as its factorization.

254222417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 29.

The square root of 254222417 is about 15944.3537655184. The cubic root of 254222417 is about 633.4873512462.

Adding to 254222417 its reverse (714222452), we get a palindrome (968444869).

The spelling of 254222417 in words is "two hundred fifty-four million, two hundred twenty-two thousand, four hundred seventeen".