38002228 has 18 divisors (see below), whose sum is σ = 73100258. Its totient is φ = 17273520.

The previous prime is 38002213. The next prime is 38002229. The reversal of 38002228 is 82220083.

38002228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 327184 = 6138^2 + 572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38002229) 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 5 ways as a sum of consecutive naturals, for example, 38775 + ... + 39742.

Almost surely, 2^38002228 is an apocalyptic number.

It is an amenable number.

38002228 is a deficient number, since it is larger than the sum of its proper divisors (35098030).

38002228 is a wasteful number, since it uses less digits than its factorization.

38002228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78543 (or 78530 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 38002228 is about 6164.5947149833. The cubic root of 38002228 is about 336.2041111490.

The spelling of 38002228 in words is "thirty-eight million, two thousand, two hundred twenty-eight".