258392228 has 24 divisors (see below), whose sum is σ = 456230880. Its totient is φ = 128046080.

The previous prime is 258392227. The next prime is 258392261. The reversal of 258392228 is 822293852.

It is not an unprimeable number, because it can be changed into a prime (258392227) 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 in 7 ways as a sum of consecutive naturals, for example, 402788 + ... + 403428.

It is an arithmetic number, because the mean of its divisors is an integer number (19009620).

Almost surely, 2^258392228 is an apocalyptic number.

It is an amenable number.

258392228 is a deficient number, since it is larger than the sum of its proper divisors (197838652).

258392228 is a wasteful number, since it uses less digits than its factorization.

258392228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387 (or 1385 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 258392228 is about 16074.5832916440. The cubic root of 258392228 is about 636.9321175302.

The spelling of 258392228 in words is "two hundred fifty-eight million, three hundred ninety-two thousand, two hundred twenty-eight".