3220213332 has 48 divisors (see below), whose sum is σ = 8590361472. Its totient is φ = 919726080.

The previous prime is 3220213301. The next prime is 3220213361. The reversal of 3220213332 is 2333120223.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3220213299 and 3220213308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310828 + ... + 321020.

It is an arithmetic number, because the mean of its divisors is an integer number (178965864).

Almost surely, 2^3220213332 is an apocalyptic number.

It is an amenable number.

3220213332 is an abundant number, since it is smaller than the sum of its proper divisors (5370148140).

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

3220213332 is a wasteful number, since it uses less digits than its factorization.

3220213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968 (or 13966 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 3220213332 is about 56746.9235465677. The cubic root of 3220213332 is about 1476.7088622166.

Adding to 3220213332 its reverse (2333120223), we get a palindrome (5553333555).

The spelling of 3220213332 in words is "three billion, two hundred twenty million, two hundred thirteen thousand, three hundred thirty-two".