258213222 has 12 divisors (see below), whose sum is σ = 559462020. Its totient is φ = 86071068.

The previous prime is 258213217. The next prime is 258213227. The reversal of 258213222 is 222312852.

It is an interprime number because it is at equal distance from previous prime (258213217) and next prime (258213227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258213227) 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 5 ways as a sum of consecutive naturals, for example, 7172572 + ... + 7172607.

It is an arithmetic number, because the mean of its divisors is an integer number (46621835).

Almost surely, 2^258213222 is an apocalyptic number.

258213222 is an abundant number, since it is smaller than the sum of its proper divisors (301248798).

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

258213222 is a wasteful number, since it uses less digits than its factorization.

258213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14345187 (or 14345184 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 258213222 is about 16069.0143443834. The cubic root of 258213222 is about 636.7850013802.

The spelling of 258213222 in words is "two hundred fifty-eight million, two hundred thirteen thousand, two hundred twenty-two".