228722760 has 384 divisors, whose sum is σ = 950227200. Its totient is φ = 46448640.

The previous prime is 228722749. The next prime is 228722771. The reversal of 228722760 is 67227822.

It is an interprime number because it is at equal distance from previous prime (228722749) and next prime (228722771).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 813820 + ... + 814100.

It is an arithmetic number, because the mean of its divisors is an integer number (2474550).

Almost surely, 2^228722760 is an apocalyptic number.

228722760 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 228722760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475113600).

228722760 is an abundant number, since it is smaller than the sum of its proper divisors (721504440).

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

228722760 is a wasteful number, since it uses less digits than its factorization.

228722760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 228722760 is about 15123.5829088216. The cubic root of 228722760 is about 611.5563233092.

The spelling of 228722760 in words is "two hundred twenty-eight million, seven hundred twenty-two thousand, seven hundred sixty".