228867072 has 176 divisors, whose sum is σ = 723164160. Its totient is φ = 62963712.

The previous prime is 228867013. The next prime is 228867097. The reversal of 228867072 is 270768822.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 623433 + ... + 623799.

Almost surely, 2^228867072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228867072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361582080).

228867072 is an abundant number, since it is smaller than the sum of its proper divisors (494297088).

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

228867072 is a wasteful number, since it uses less digits than its factorization.

228867072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 228867072 is about 15128.3532481232. The cubic root of 228867072 is about 611.6849161979.

The spelling of 228867072 in words is "two hundred twenty-eight million, eight hundred sixty-seven thousand, seventy-two".