227152128 has 288 divisors, whose sum is σ = 753500160. Its totient is φ = 59351040.

The previous prime is 227152111. The next prime is 227152141. The reversal of 227152128 is 821251722.

It is a junction number, because it is equal to n+sod(n) for n = 227152095 and 227152104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4833001 + ... + 4833047.

It is an arithmetic number, because the mean of its divisors is an integer number (2616320).

Almost surely, 2^227152128 is an apocalyptic number.

227152128 is a gapful number since it is divisible by the number (28) 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 227152128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376750080).

227152128 is an abundant number, since it is smaller than the sum of its proper divisors (526348032).

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

227152128 is a wasteful number, since it uses less digits than its factorization.

227152128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 227152128 is about 15071.5668727575. The cubic root of 227152128 is about 610.1532607827.

The spelling of 227152128 in words is "two hundred twenty-seven million, one hundred fifty-two thousand, one hundred twenty-eight".