228822160 has 160 divisors (see below), whose sum is σ = 642816000. Its totient is φ = 75640320.

The previous prime is 228822109. The next prime is 228822161. The reversal of 228822160 is 61228822.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (228822161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 850506 + ... + 850774.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^228822160 is an apocalyptic number.

228822160 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 228822160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321408000).

228822160 is an abundant number, since it is smaller than the sum of its proper divisors (413993840).

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

228822160 is a wasteful number, since it uses less digits than its factorization.

228822160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 228822160 is about 15126.8688101669. The cubic root of 228822160 is about 611.6449020098.

The spelling of 228822160 in words is "two hundred twenty-eight million, eight hundred twenty-two thousand, one hundred sixty".