258412220 has 24 divisors (see below), whose sum is σ = 591999408. Its totient is φ = 93968000.

The previous prime is 258412207. The next prime is 258412247. The reversal of 258412220 is 22214852.

It is a self number, because there is not a number n which added to its sum of digits gives 258412220.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 587081 + ... + 587520.

It is an arithmetic number, because the mean of its divisors is an integer number (24666642).

Almost surely, 2^258412220 is an apocalyptic number.

258412220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258412220 is an abundant number, since it is smaller than the sum of its proper divisors (333587188).

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

258412220 is a wasteful number, since it uses less digits than its factorization.

258412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174621 (or 1174619 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 258412220 is about 16075.2051308840. The cubic root of 258412220 is about 636.9485437448.

The spelling of 258412220 in words is "two hundred fifty-eight million, four hundred twelve thousand, two hundred twenty".