3012220 has 12 divisors (see below), whose sum is σ = 6325704. Its totient is φ = 1204880.

The previous prime is 3012211. The next prime is 3012221. The reversal of 3012220 is 222103.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 3012197 and 3012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75286 + ... + 75325.

It is an arithmetic number, because the mean of its divisors is an integer number (527142).

Almost surely, 2^3012220 is an apocalyptic number.

It is an amenable number.

3012220 is an abundant number, since it is smaller than the sum of its proper divisors (3313484).

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

3012220 is a wasteful number, since it uses less digits than its factorization.

3012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150620 (or 150618 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 3012220 is about 1735.5748327283. The cubic root of 3012220 is about 144.4205171850.

Adding to 3012220 its reverse (222103), we get a palindrome (3234323).

The spelling of 3012220 in words is "three million, twelve thousand, two hundred twenty".