258222851 has 2 divisors, whose sum is σ = 258222852. Its totient is φ = 258222850.

The previous prime is 258222803. The next prime is 258222857. The reversal of 258222851 is 158222852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258222851 - 2¹⁰ = 258221827 is a prime.

It is not a weakly prime, because it can be changed into another prime (258222857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129111425 + 129111426.

It is an arithmetic number, because the mean of its divisors is an integer number (129111426).

Almost surely, 2^258222851 is an apocalyptic number.

258222851 is a deficient number, since it is larger than the sum of its proper divisors (1).

258222851 is an equidigital number, since it uses as much as digits as its factorization.

258222851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25600, while the sum is 35.

The square root of 258222851 is about 16069.3139554867. The cubic root of 258222851 is about 636.7929167076.

Subtracting from 258222851 its reverse (158222852), we obtain a palindrome (99999999).

The spelling of 258222851 in words is "two hundred fifty-eight million, two hundred twenty-two thousand, eight hundred fifty-one".