3122220 has 48 divisors (see below), whose sum is σ = 9259488. Its totient is φ = 783360.

The previous prime is 3122219. The next prime is 3122233. The reversal of 3122220 is 222213.

3122220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3122196 and 3122205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511 + ... + 2550.

It is an arithmetic number, because the mean of its divisors is an integer number (192906).

Almost surely, 2^3122220 is an apocalyptic number.

3122220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3122220 is an abundant number, since it is smaller than the sum of its proper divisors (6137268).

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

3122220 is a wasteful number, since it uses less digits than its factorization.

3122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3122220 is about 1766.9804752741. The cubic root of 3122220 is about 146.1575206122.

Adding to 3122220 its reverse (222213), we get a palindrome (3344433).

The spelling of 3122220 in words is "three million, one hundred twenty-two thousand, two hundred twenty".