254222251 has 2 divisors, whose sum is σ = 254222252. Its totient is φ = 254222250.

The previous prime is 254222219. The next prime is 254222257. The reversal of 254222251 is 152222452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254222251 - 2⁵ = 254222219 is a prime.

It is not a weakly prime, because it can be changed into another prime (254222257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127111125 + 127111126.

It is an arithmetic number, because the mean of its divisors is an integer number (127111126).

Almost surely, 2^254222251 is an apocalyptic number.

254222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

254222251 is an equidigital number, since it uses as much as digits as its factorization.

254222251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 25.

The square root of 254222251 is about 15944.3485599130. The cubic root of 254222251 is about 633.4872133631.

The spelling of 254222251 in words is "two hundred fifty-four million, two hundred twenty-two thousand, two hundred fifty-one".