228286272 has 28 divisors (see below), whose sum is σ = 604007936. Its totient is φ = 76095360.

The previous prime is 228286259. The next prime is 228286291. The reversal of 228286272 is 272682822.

It is a super-2 number, since 2×228286272² = 104229243967315968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228286272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594304 + ... + 594687.

It is an arithmetic number, because the mean of its divisors is an integer number (21571712).

Almost surely, 2^228286272 is an apocalyptic number.

It is an amenable number.

228286272 is an abundant number, since it is smaller than the sum of its proper divisors (375721664).

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

228286272 is a wasteful number, since it uses less digits than its factorization.

228286272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189006 (or 1188996 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 228286272 is about 15109.1453100432. The cubic root of 228286272 is about 611.1670500223.

The spelling of 228286272 in words is "two hundred twenty-eight million, two hundred eighty-six thousand, two hundred seventy-two".