258390222 has 8 divisors (see below), whose sum is σ = 516780456. Its totient is φ = 86130072.

The previous prime is 258390221. The next prime is 258390227. The reversal of 258390222 is 222093852.

It is a sphenic number, since it is the product of 3 distinct primes.

258390222 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258390221) 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 3 ways as a sum of consecutive naturals, for example, 21532513 + ... + 21532524.

It is an arithmetic number, because the mean of its divisors is an integer number (64597557).

Almost surely, 2^258390222 is an apocalyptic number.

258390222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258390222 is a wasteful number, since it uses less digits than its factorization.

258390222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43065042.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 258390222 is about 16074.5208948821. The cubic root of 258390222 is about 636.9304692749.

The spelling of 258390222 in words is "two hundred fifty-eight million, three hundred ninety thousand, two hundred twenty-two".