858700228 has 24 divisors (see below), whose sum is σ = 1543157784. Its totient is φ = 417849600.

The previous prime is 858700211. The next prime is 858700229. The reversal of 858700228 is 822007858.

It can be written as a sum of positive squares in 4 ways, for example, as 230796864 + 627903364 = 15192^2 + 25058^2 .

It is not an unprimeable number, because it can be changed into a prime (858700229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62826 + ... + 75262.

It is an arithmetic number, because the mean of its divisors is an integer number (64298241).

Almost surely, 2^858700228 is an apocalyptic number.

It is an amenable number.

858700228 is a deficient number, since it is larger than the sum of its proper divisors (684457556).

858700228 is a wasteful number, since it uses less digits than its factorization.

858700228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12903 (or 12901 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 858700228 is about 29303.5872889310. The cubic root of 858700228 is about 950.4892135891.

The spelling of 858700228 in words is "eight hundred fifty-eight million, seven hundred thousand, two hundred twenty-eight".