228099960 has 96 divisors (see below), whose sum is σ = 808732080. Its totient is φ = 55296000.

The previous prime is 228099943. The next prime is 228099979. The reversal of 228099960 is 69990822.

228099960 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24841 + ... + 32760.

Almost surely, 2^228099960 is an apocalyptic number.

228099960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228099960 is an abundant number, since it is smaller than the sum of its proper divisors (580632120).

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

228099960 is a wasteful number, since it uses less digits than its factorization.

228099960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57629 (or 57622 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 228099960 is about 15102.9785141872. The cubic root of 228099960 is about 611.0007402021. Note that the first 3 decimals are identical.

The spelling of 228099960 in words is "two hundred twenty-eight million, ninety-nine thousand, nine hundred sixty".