228347736 has 32 divisors (see below), whose sum is σ = 589286400. Its totient is φ = 73660320.

The previous prime is 228347731. The next prime is 228347747. The reversal of 228347736 is 637743822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228347731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152716 + ... + 154203.

It is an arithmetic number, because the mean of its divisors is an integer number (18415200).

Almost surely, 2^228347736 is an apocalyptic number.

It is an amenable number.

228347736 is an abundant number, since it is smaller than the sum of its proper divisors (360938664).

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

228347736 is a wasteful number, since it uses less digits than its factorization.

228347736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306959 (or 306955 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 228347736 is about 15111.1791730493. The cubic root of 228347736 is about 611.2218954881.

The spelling of 228347736 in words is "two hundred twenty-eight million, three hundred forty-seven thousand, seven hundred thirty-six".