3145228 has 6 divisors (see below), whose sum is σ = 5504156. Its totient is φ = 1572612.

The previous prime is 3145223. The next prime is 3145243. The reversal of 3145228 is 8225413.

It is not an unprimeable number, because it can be changed into a prime (3145223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393150 + ... + 393157.

Almost surely, 2^3145228 is an apocalyptic number.

It is an amenable number.

3145228 is a deficient number, since it is larger than the sum of its proper divisors (2358928).

3145228 is a wasteful number, since it uses less digits than its factorization.

3145228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786311 (or 786309 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 3145228 is about 1773.4790666935. The cubic root of 3145228 is about 146.5156595452.

The spelling of 3145228 in words is "three million, one hundred forty-five thousand, two hundred twenty-eight".