254222047 has 2 divisors, whose sum is σ = 254222048. Its totient is φ = 254222046.

The previous prime is 254222027. The next prime is 254222077. The reversal of 254222047 is 740222452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254222047 - 2¹⁵ = 254189279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254222027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127111023 + 127111024.

It is an arithmetic number, because the mean of its divisors is an integer number (127111024).

Almost surely, 2^254222047 is an apocalyptic number.

254222047 is a deficient number, since it is larger than the sum of its proper divisors (1).

254222047 is an equidigital number, since it uses as much as digits as its factorization.

254222047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 254222047 is about 15944.3421626607. The cubic root of 254222047 is about 633.4870439163.

Adding to 254222047 its reverse (740222452), we get a palindrome (994444499).

The spelling of 254222047 in words is "two hundred fifty-four million, two hundred twenty-two thousand, forty-seven".