228157832 has 16 divisors (see below), whose sum is σ = 488909760. Its totient is φ = 97781904.

The previous prime is 228157823. The next prime is 228157837. The reversal of 228157832 is 238751822.

It is not an unprimeable number, because it can be changed into a prime (228157837) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2037068 + ... + 2037179.

It is an arithmetic number, because the mean of its divisors is an integer number (30556860).

Almost surely, 2^228157832 is an apocalyptic number.

It is an amenable number.

228157832 is an abundant number, since it is smaller than the sum of its proper divisors (260751928).

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

228157832 is a wasteful number, since it uses less digits than its factorization.

228157832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074260 (or 4074256 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 228157832 is about 15104.8943061512. The cubic root of 228157832 is about 611.0524088431.

The spelling of 228157832 in words is "two hundred twenty-eight million, one hundred fifty-seven thousand, eight hundred thirty-two".