3220112220 has 96 divisors (see below), whose sum is σ = 9972395328. Its totient is φ = 771213312.

The previous prime is 3220112143. The next prime is 3220112251. The reversal of 3220112220 is 222110223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3220112220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26929 + ... + 84648.

It is an arithmetic number, because the mean of its divisors is an integer number (103879118).

Almost surely, 2^3220112220 is an apocalyptic number.

3220112220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3220112220 is an abundant number, since it is smaller than the sum of its proper divisors (6752283108).

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

3220112220 is a wasteful number, since it uses less digits than its factorization.

3220112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111639 (or 111637 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3220112220 is about 56746.0326366522. The cubic root of 3220112220 is about 1476.6934062479.

Adding to 3220112220 its reverse (222110223), we get a palindrome (3442222443).

It can be divided in two parts, 3220 and 112220, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 3220112220 in words is "three billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty".