38474228 has 24 divisors (see below), whose sum is σ = 74472552. Its totient is φ = 17276544.

The previous prime is 38474209. The next prime is 38474243. The reversal of 38474228 is 82247483.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13454224 + 25020004 = 3668^2 + 5002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38474191 and 38474200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8075 + ... + 11922.

It is an arithmetic number, because the mean of its divisors is an integer number (3103023).

Almost surely, 2^38474228 is an apocalyptic number.

It is an amenable number.

38474228 is a deficient number, since it is larger than the sum of its proper divisors (35998324).

38474228 is a wasteful number, since it uses less digits than its factorization.

38474228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20051 (or 20049 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 38474228 is about 6202.7597083879. The cubic root of 38474228 is about 337.5903092574.

The spelling of 38474228 in words is "thirty-eight million, four hundred seventy-four thousand, two hundred twenty-eight".