228040860 has 48 divisors (see below), whose sum is σ = 666279936. Its totient is φ = 58166592.

The previous prime is 228040859. The next prime is 228040877. The reversal of 228040860 is 68040822.

It is a happy number.

228040860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 81244 + ... + 84003.

It is an arithmetic number, because the mean of its divisors is an integer number (13880832).

Almost surely, 2^228040860 is an apocalyptic number.

228040860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228040860 is an abundant number, since it is smaller than the sum of its proper divisors (438239076).

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

228040860 is a wasteful number, since it uses less digits than its factorization.

228040860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165282 (or 165280 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 228040860 is about 15101.0218197313. The cubic root of 228040860 is about 610.9479661714.

The spelling of 228040860 in words is "two hundred twenty-eight million, forty thousand, eight hundred sixty".