258198227 has 16 divisors (see below), whose sum is σ = 313387200. Its totient is φ = 207664128.

The previous prime is 258198221. The next prime is 258198257. The reversal of 258198227 is 722891852.

It is not a de Polignac number, because 258198227 - 2⁴ = 258198211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258198221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38423 + ... + 44639.

It is an arithmetic number, because the mean of its divisors is an integer number (19586700).

Almost surely, 2^258198227 is an apocalyptic number.

258198227 is a deficient number, since it is larger than the sum of its proper divisors (55188973).

258198227 is a wasteful number, since it uses less digits than its factorization.

258198227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6590.

The product of its digits is 161280, while the sum is 44.

The square root of 258198227 is about 16068.5477564091. The cubic root of 258198227 is about 636.7726746477.

The spelling of 258198227 in words is "two hundred fifty-eight million, one hundred ninety-eight thousand, two hundred twenty-seven".