3505228 has 6 divisors (see below), whose sum is σ = 6134156. Its totient is φ = 1752612.

The previous prime is 3505219. The next prime is 3505237. The reversal of 3505228 is 8225053.

It is an interprime number because it is at equal distance from previous prime (3505219) and next prime (3505237).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438150 + ... + 438157.

Almost surely, 2^3505228 is an apocalyptic number.

It is an amenable number.

3505228 is a deficient number, since it is larger than the sum of its proper divisors (2628928).

3505228 is a wasteful number, since it uses less digits than its factorization.

3505228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876311 (or 876309 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3505228 is about 1872.2254137790. The cubic root of 3505228 is about 151.9050075905.

The spelling of 3505228 in words is "three million, five hundred five thousand, two hundred twenty-eight".