3557228 has 12 divisors (see below), whose sum is σ = 6331080. Its totient is φ = 1748352.

The previous prime is 3557207. The next prime is 3557243. The reversal of 3557228 is 8227553.

3557228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3557194 and 3557203.

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, 7301 + ... + 7772.

It is an arithmetic number, because the mean of its divisors is an integer number (527590).

Almost surely, 2^3557228 is an apocalyptic number.

It is an amenable number.

3557228 is a deficient number, since it is larger than the sum of its proper divisors (2773852).

3557228 is a wasteful number, since it uses less digits than its factorization.

3557228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15136 (or 15134 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 3557228 is about 1886.0615048296. The cubic root of 3557228 is about 152.6524928098.

The spelling of 3557228 in words is "three million, five hundred fifty-seven thousand, two hundred twenty-eight".