252218858 has 8 divisors (see below), whose sum is σ = 391374180. Its totient is φ = 121760800.

The previous prime is 252218833. The next prime is 252218867. The reversal of 252218858 is 858812252.

252218858 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 225210049 + 27008809 = 15007^2 + 5197^2 .

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

It is a super-2 number, since 2×252218858² = 127228704661648328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174243 + ... + 2174358.

Almost surely, 2^252218858 is an apocalyptic number.

252218858 is a deficient number, since it is larger than the sum of its proper divisors (139155322).

252218858 is a wasteful number, since it uses less digits than its factorization.

252218858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348632.

The product of its digits is 102400, while the sum is 41.

The square root of 252218858 is about 15881.3997493924. The cubic root of 252218858 is about 631.8187621239.

The spelling of 252218858 in words is "two hundred fifty-two million, two hundred eighteen thousand, eight hundred fifty-eight".