228150858 has 32 divisors (see below), whose sum is σ = 499468032. Its totient is φ = 69048000.

The previous prime is 228150851. The next prime is 228150889. The reversal of 228150858 is 858051822.

228150858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228150858² = 104105628012272328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (228150851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19218 + ... + 28733.

It is an arithmetic number, because the mean of its divisors is an integer number (15608376).

Almost surely, 2^228150858 is an apocalyptic number.

228150858 is an abundant number, since it is smaller than the sum of its proper divisors (271317174).

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

228150858 is a wasteful number, since it uses less digits than its factorization.

228150858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48030.

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 228150858 is about 15104.6634520601. The cubic root of 228150858 is about 611.0461828564.

The spelling of 228150858 in words is "two hundred twenty-eight million, one hundred fifty thousand, eight hundred fifty-eight".