3222113220 has 72 divisors (see below), whose sum is σ = 9778368600. Its totient is φ = 858823680.

The previous prime is 3222113183. The next prime is 3222113221. The reversal of 3222113220 is 223112223.

3222113220 is a `hidden beast` number, since 322 + 21 + 1 + 322 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 417139776 + 2804973444 = 20424^2 + 52962^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3222113193 and 3222113202.

It is not an unprimeable number, because it can be changed into a prime (3222113221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726610 + ... + 731030.

It is an arithmetic number, because the mean of its divisors is an integer number (135810675).

Almost surely, 2^3222113220 is an apocalyptic number.

3222113220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3222113220 is an abundant number, since it is smaller than the sum of its proper divisors (6556255380).

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

3222113220 is a wasteful number, since it uses less digits than its factorization.

3222113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485 (or 8480 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3222113220 is about 56763.6610870018. The cubic root of 3222113220 is about 1476.9992187433. Note that the first 3 decimals are identical.

Adding to 3222113220 its reverse (223112223), we get a palindrome (3445225443).

The spelling of 3222113220 in words is "three billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred twenty".