228407382 has 48 divisors (see below), whose sum is σ = 567191040. Its totient is φ = 65073456.

The previous prime is 228407371. The next prime is 228407449. The reversal of 228407382 is 283704822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45363 + ... + 50145.

It is an arithmetic number, because the mean of its divisors is an integer number (11816480).

Almost surely, 2^228407382 is an apocalyptic number.

228407382 is an abundant number, since it is smaller than the sum of its proper divisors (338783658).

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

228407382 is a wasteful number, since it uses less digits than its factorization.

228407382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177 (or 5174 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 228407382 is about 15113.1526161817. The cubic root of 228407382 is about 611.2751093102.

The spelling of 228407382 in words is "two hundred twenty-eight million, four hundred seven thousand, three hundred eighty-two".