228284732 has 12 divisors (see below), whose sum is σ = 430229016. Its totient is φ = 105362160.

The previous prime is 228284731. The next prime is 228284741. The reversal of 228284732 is 237482822.

It is a super-2 number, since 2×228284732² = 104227837728623648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228284731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2194994 + ... + 2195097.

It is an arithmetic number, because the mean of its divisors is an integer number (35852418).

Almost surely, 2^228284732 is an apocalyptic number.

It is an amenable number.

228284732 is a deficient number, since it is larger than the sum of its proper divisors (201944284).

228284732 is a wasteful number, since it uses less digits than its factorization.

228284732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390108 (or 4390106 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 228284732 is about 15109.0943474452. The cubic root of 228284732 is about 611.1656757254.

The spelling of 228284732 in words is "two hundred twenty-eight million, two hundred eighty-four thousand, seven hundred thirty-two".