3139228 has 12 divisors (see below), whose sum is σ = 5642392. Its totient is φ = 1527120.

The previous prime is 3139207. The next prime is 3139231. The reversal of 3139228 is 8229313.

It is a junction number, because it is equal to n+sod(n) for n = 3139196 and 3139205.

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, 10458 + ... + 10753.

Almost surely, 2^3139228 is an apocalyptic number.

It is an amenable number.

3139228 is a deficient number, since it is larger than the sum of its proper divisors (2503164).

3139228 is a wasteful number, since it uses less digits than its factorization.

3139228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21252 (or 21250 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 3139228 is about 1771.7866688741. The cubic root of 3139228 is about 146.4224332828.

The spelling of 3139228 in words is "three million, one hundred thirty-nine thousand, two hundred twenty-eight".