3178228 has 6 divisors (see below), whose sum is σ = 5561906. Its totient is φ = 1589112.

The previous prime is 3178223. The next prime is 3178237. The reversal of 3178228 is 8228713.

It can be written as a sum of positive squares in only one way, i.e., 3175524 + 2704 = 1782^2 + 52^2 .

It is a super-2 number, since 2×3178228² = 20202266439968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3178228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3178223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397275 + ... + 397282.

Almost surely, 2^3178228 is an apocalyptic number.

It is an amenable number.

3178228 is a deficient number, since it is larger than the sum of its proper divisors (2383678).

3178228 is a wasteful number, since it uses less digits than its factorization.

3178228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794561 (or 794559 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 3178228 is about 1782.7585366504. The cubic root of 3178228 is about 147.0262960655.

The spelling of 3178228 in words is "three million, one hundred seventy-eight thousand, two hundred twenty-eight".