258225231 has 16 divisors (see below), whose sum is σ = 376950528. Its totient is φ = 155937600.

The previous prime is 258225229. The next prime is 258225259. The reversal of 258225231 is 132522852.

It is not a de Polignac number, because 258225231 - 2¹ = 258225229 is a prime.

It is a super-2 number, since 2×258225231² = 133360539850006722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258225271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4651 + ... + 23196.

It is an arithmetic number, because the mean of its divisors is an integer number (23559408).

Almost surely, 2^258225231 is an apocalyptic number.

258225231 is a deficient number, since it is larger than the sum of its proper divisors (118725297).

258225231 is a wasteful number, since it uses less digits than its factorization.

258225231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28142.

The product of its digits is 9600, while the sum is 30.

The square root of 258225231 is about 16069.3880095043. The cubic root of 258225231 is about 636.7948731088.

The spelling of 258225231 in words is "two hundred fifty-eight million, two hundred twenty-five thousand, two hundred thirty-one".