228736332 has 48 divisors (see below), whose sum is σ = 646934400. Its totient is φ = 69313680.

The previous prime is 228736327. The next prime is 228736381. The reversal of 228736332 is 233637822.

It is a happy number.

228736332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95082 + ... + 97457.

It is an arithmetic number, because the mean of its divisors is an integer number (13477800).

Almost surely, 2^228736332 is an apocalyptic number.

228736332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228736332 is an abundant number, since it is smaller than the sum of its proper divisors (418198068).

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

228736332 is a wasteful number, since it uses less digits than its factorization.

228736332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192563 (or 192555 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 228736332 is about 15124.0316053624. The cubic root of 228736332 is about 611.5684192899.

The spelling of 228736332 in words is "two hundred twenty-eight million, seven hundred thirty-six thousand, three hundred thirty-two".