38130228 has 36 divisors (see below), whose sum is σ = 100577568. Its totient is φ = 12157200.

The previous prime is 38130203. The next prime is 38130233. The reversal of 38130228 is 82203183.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22198 + ... + 23853.

Almost surely, 2^38130228 is an apocalyptic number.

It is an amenable number.

38130228 is an abundant number, since it is smaller than the sum of its proper divisors (62447340).

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

38130228 is a wasteful number, since it uses less digits than its factorization.

38130228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46084 (or 46079 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 38130228 is about 6174.9678541673. The cubic root of 38130228 is about 336.5811583426.

The spelling of 38130228 in words is "thirty-eight million, one hundred thirty thousand, two hundred twenty-eight".