3045220 has 24 divisors (see below), whose sum is σ = 6459264. Its totient is φ = 1205856.

The previous prime is 3045209. The next prime is 3045241. The reversal of 3045220 is 225403.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3045194 and 3045203.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1429 + ... + 2851.

It is an arithmetic number, because the mean of its divisors is an integer number (269136).

Almost surely, 2^3045220 is an apocalyptic number.

It is an amenable number.

3045220 is an abundant number, since it is smaller than the sum of its proper divisors (3414044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3045220 is a wasteful number, since it uses less digits than its factorization.

3045220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3045220 is about 1745.0558730310. The cubic root of 3045220 is about 144.9459965364.

The spelling of 3045220 in words is "three million, forty-five thousand, two hundred twenty".