228334432 has 24 divisors (see below), whose sum is σ = 469079856. Its totient is φ = 109203072.

The previous prime is 228334427. The next prime is 228334433. The reversal of 228334432 is 234433822.

It is a super-2 number, since 2×228334432² = 104273225673525248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 228334394 and 228334403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228334433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154383 + ... + 155854.

It is an arithmetic number, because the mean of its divisors is an integer number (19544994).

Almost surely, 2^228334432 is an apocalyptic number.

It is an amenable number.

228334432 is an abundant number, since it is smaller than the sum of its proper divisors (240745424).

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

228334432 is a wasteful number, since it uses less digits than its factorization.

228334432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310270 (or 310262 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 228334432 is about 15110.7389627377. The cubic root of 228334432 is about 611.2100249171.

The spelling of 228334432 in words is "two hundred twenty-eight million, three hundred thirty-four thousand, four hundred thirty-two".