258222984 has 32 divisors (see below), whose sum is σ = 646912320. Its totient is φ = 85893696.

The previous prime is 258222929. The next prime is 258223039. The reversal of 258222984 is 489222852.

It is an interprime number because it is at equal distance from previous prime (258222929) and next prime (258223039).

It is an unprimeable number.

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, 642 + ... + 22734.

It is an arithmetic number, because the mean of its divisors is an integer number (20216010).

Almost surely, 2^258222984 is an apocalyptic number.

258222984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

258222984 is an abundant number, since it is smaller than the sum of its proper divisors (388689336).

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

258222984 is a wasteful number, since it uses less digits than its factorization.

258222984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22589 (or 22585 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 258222984 is about 16069.3180938085. The cubic root of 258222984 is about 636.7930260362.

The spelling of 258222984 in words is "two hundred fifty-eight million, two hundred twenty-two thousand, nine hundred eighty-four".