228293858 has 32 divisors (see below), whose sum is σ = 393845760. Its totient is φ = 98441280.

The previous prime is 228293801. The next prime is 228293861. The reversal of 228293858 is 858392822.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 18491 + ... + 28257.

It is an arithmetic number, because the mean of its divisors is an integer number (12307680).

Almost surely, 2^228293858 is an apocalyptic number.

228293858 is a deficient number, since it is larger than the sum of its proper divisors (165551902).

228293858 is a wasteful number, since it uses less digits than its factorization.

228293858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9842.

The product of its digits is 552960, while the sum is 47.

The square root of 228293858 is about 15109.3963479684. The cubic root of 228293858 is about 611.1738196832.

The spelling of 228293858 in words is "two hundred twenty-eight million, two hundred ninety-three thousand, eight hundred fifty-eight".