38900228 has 12 divisors (see below), whose sum is σ = 68185152. Its totient is φ = 19418760.

The previous prime is 38900219. The next prime is 38900237. The reversal of 38900228 is 82200983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38900219) and next prime (38900237).

It is a junction number, because it is equal to n+sod(n) for n = 38900194 and 38900203.

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, 4928 + ... + 10103.

It is an arithmetic number, because the mean of its divisors is an integer number (5682096).

Almost surely, 2^38900228 is an apocalyptic number.

It is an amenable number.

38900228 is a deficient number, since it is larger than the sum of its proper divisors (29284924).

38900228 is a wasteful number, since it uses less digits than its factorization.

38900228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15682 (or 15680 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 38900228 is about 6237.0047298363. The cubic root of 38900228 is about 338.8317110657.

The spelling of 38900228 in words is "thirty-eight million, nine hundred thousand, two hundred twenty-eight".