3018220 has 24 divisors (see below), whose sum is σ = 6375600. Its totient is φ = 1200192.

The previous prime is 3018217. The next prime is 3018227. The reversal of 3018220 is 228103.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3018194 and 3018203.

It is not an unprimeable number, because it can be changed into a prime (3018227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4251 + ... + 4909.

It is an arithmetic number, because the mean of its divisors is an integer number (265650).

Almost surely, 2^3018220 is an apocalyptic number.

It is an amenable number.

3018220 is an abundant number, since it is smaller than the sum of its proper divisors (3357380).

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

3018220 is a wasteful number, since it uses less digits than its factorization.

3018220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3018220 is about 1737.3025067616. The cubic root of 3018220 is about 144.5163433421.

The spelling of 3018220 in words is "three million, eighteen thousand, two hundred twenty".