38203228 has 12 divisors (see below), whose sum is σ = 76406512. Its totient is φ = 16372800.

The previous prime is 38203213. The next prime is 38203241. The reversal of 38203228 is 82230283.

38203228 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1364401 = 38203228 / (3 + 8 + 2 + 0 + 3 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 38203196 and 38203205.

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, 682173 + ... + 682228.

Almost surely, 2^38203228 is an apocalyptic number.

It is an amenable number.

38203228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38203228 is a wasteful number, since it uses less digits than its factorization.

38203228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364412 (or 1364410 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 38203228 is about 6180.8759896960. The cubic root of 38203228 is about 336.7958153444.

The spelling of 38203228 in words is "thirty-eight million, two hundred three thousand, two hundred twenty-eight".