3021223320 has 128 divisors (see below), whose sum is σ = 10150502400. Its totient is φ = 799279488.

The previous prime is 3021223319. The next prime is 3021223321. The reversal of 3021223320 is 233221203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3021223319) and next prime (3021223321).

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 = 3021223293 and 3021223302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021223321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126147 + ... + 148173.

It is an arithmetic number, because the mean of its divisors is an integer number (79300800).

Almost surely, 2^3021223320 is an apocalyptic number.

3021223320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3021223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5075251200).

3021223320 is an abundant number, since it is smaller than the sum of its proper divisors (7129279080).

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

3021223320 is a wasteful number, since it uses less digits than its factorization.

3021223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22174 (or 22164 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3021223320 is about 54965.6558225225. The cubic root of 3021223320 is about 1445.6426175556.

Adding to 3021223320 its reverse (233221203), we get a palindrome (3254444523).

The spelling of 3021223320 in words is "three billion, twenty-one million, two hundred twenty-three thousand, three hundred twenty".