3220221120 has 56 divisors (see below), whose sum is σ = 10224205104. Its totient is φ = 858725376.

The previous prime is 3220221113. The next prime is 3220221127. The reversal of 3220221120 is 211220223.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3220221113) and next prime (3220221127).

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 3220221120.

It is not an unprimeable number, because it can be changed into a prime (3220221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676239 + ... + 1678158.

Almost surely, 2^3220221120 is an apocalyptic number.

3220221120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3220221120 is an abundant number, since it is smaller than the sum of its proper divisors (7003983984).

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

3220221120 is a wasteful number, since it uses less digits than its factorization.

3220221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354417 (or 3354407 counting only the distinct ones).

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

The square root of 3220221120 is about 56746.9921669863. The cubic root of 3220221120 is about 1476.7100526760.

Adding to 3220221120 its reverse (211220223), we get a palindrome (3431441343).

The spelling of 3220221120 in words is "three billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty".