228860532 has 48 divisors (see below), whose sum is σ = 603086400. Its totient is φ = 75034080.

The previous prime is 228860521. The next prime is 228860591. The reversal of 228860532 is 235068822.

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

It is a congruent number.

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, 10782 + ... + 23957.

It is an arithmetic number, because the mean of its divisors is an integer number (12564300).

Almost surely, 2^228860532 is an apocalyptic number.

It is an amenable number.

228860532 is an abundant number, since it is smaller than the sum of its proper divisors (374225868).

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

228860532 is a wasteful number, since it uses less digits than its factorization.

228860532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34813 (or 34805 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 228860532 is about 15128.1370961530. The cubic root of 228860532 is about 611.6790897336.

The spelling of 228860532 in words is "two hundred twenty-eight million, eight hundred sixty thousand, five hundred thirty-two".