228385382 has 8 divisors (see below), whose sum is σ = 354391200. Its totient is φ = 110254984.

The previous prime is 228385369. The next prime is 228385397. The reversal of 228385382 is 283583822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×228385382² = 104319765422571848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968782 + ... + 1968897.

It is an arithmetic number, because the mean of its divisors is an integer number (44298900).

Almost surely, 2^228385382 is an apocalyptic number.

228385382 is a deficient number, since it is larger than the sum of its proper divisors (126005818).

228385382 is a wasteful number, since it uses less digits than its factorization.

228385382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937710.

The product of its digits is 184320, while the sum is 41.

The square root of 228385382 is about 15112.4247558094. The cubic root of 228385382 is about 611.2554828514.

The spelling of 228385382 in words is "two hundred twenty-eight million, three hundred eighty-five thousand, three hundred eighty-two".