228870332 has 24 divisors (see below), whose sum is σ = 418696992. Its totient is φ = 109260800.

The previous prime is 228870331. The next prime is 228870379. The reversal of 228870332 is 233078822.

It is a junction number, because it is equal to n+sod(n) for n = 228870292 and 228870301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228870331) 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 7 ways as a sum of consecutive naturals, for example, 57032 + ... + 60912.

It is an arithmetic number, because the mean of its divisors is an integer number (17445708).

Almost surely, 2^228870332 is an apocalyptic number.

It is an amenable number.

228870332 is a deficient number, since it is larger than the sum of its proper divisors (189826660).

228870332 is a wasteful number, since it uses less digits than its factorization.

228870332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 228870332 is about 15128.4609924473. The cubic root of 228870332 is about 611.6878204796.

The spelling of 228870332 in words is "two hundred twenty-eight million, eight hundred seventy thousand, three hundred thirty-two".