228615000 has 80 divisors (see below), whose sum is σ = 714240120. Its totient is φ = 60960000.

The previous prime is 228614999. The next prime is 228615061. The reversal of 228615000 is 516822.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7380 + ... + 22620.

Almost surely, 2^228615000 is an apocalyptic number.

228615000 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 228615000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357120060).

228615000 is an abundant number, since it is smaller than the sum of its proper divisors (485625120).

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

228615000 is a wasteful number, since it uses less digits than its factorization.

228615000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270 (or 15251 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 228615000 is about 15120.0198412568. The cubic root of 228615000 is about 611.4602657333.

The spelling of 228615000 in words is "two hundred twenty-eight million, six hundred fifteen thousand".