228137360 has 80 divisors (see below), whose sum is σ = 592194240. Its totient is φ = 81016320.

The previous prime is 228137359. The next prime is 228137383. The reversal of 228137360 is 63731822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 34826 + ... + 40854.

It is an arithmetic number, because the mean of its divisors is an integer number (7402428).

Almost surely, 2^228137360 is an apocalyptic number.

228137360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228137360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296097120).

228137360 is an abundant number, since it is smaller than the sum of its proper divisors (364056880).

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

228137360 is a wasteful number, since it uses less digits than its factorization.

228137360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096 (or 6090 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 228137360 is about 15104.2166298024. The cubic root of 228137360 is about 611.0341322566.

The spelling of 228137360 in words is "two hundred twenty-eight million, one hundred thirty-seven thousand, three hundred sixty".