254222457 has 4 divisors (see below), whose sum is σ = 338963280. Its totient is φ = 169481636.

The previous prime is 254222431. The next prime is 254222467. The reversal of 254222457 is 754222452.

254222457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254222457 - 2²⁰ = 253173881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254222417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42370407 + ... + 42370412.

It is an arithmetic number, because the mean of its divisors is an integer number (84740820).

Almost surely, 2^254222457 is an apocalyptic number.

It is an amenable number.

254222457 is a deficient number, since it is larger than the sum of its proper divisors (84740823).

254222457 is an equidigital number, since it uses as much as digits as its factorization.

254222457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84740822.

The product of its digits is 44800, while the sum is 33.

The square root of 254222457 is about 15944.3550198809. The cubic root of 254222457 is about 633.4873844710.

The spelling of 254222457 in words is "two hundred fifty-four million, two hundred twenty-two thousand, four hundred fifty-seven".