3213233220 has 48 divisors (see below), whose sum is σ = 9149555520. Its totient is φ = 842338176.

The previous prime is 3213233213. The next prime is 3213233237. The reversal of 3213233220 is 223323123.

It is a super-2 number, since 2×3213233220² = 20649735452223136800, which contains 22 as substring.

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, 450307 + ... + 457386.

It is an arithmetic number, because the mean of its divisors is an integer number (190615740).

Almost surely, 2^3213233220 is an apocalyptic number.

3213233220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3213233220 is an abundant number, since it is smaller than the sum of its proper divisors (5936322300).

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

3213233220 is a wasteful number, since it uses less digits than its factorization.

3213233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907764 (or 907762 counting only the distinct ones).

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

The square root of 3213233220 is about 56685.3880642975. The cubic root of 3213233220 is about 1475.6411224198.

Adding to 3213233220 its reverse (223323123), we get a palindrome (3436556343).

The spelling of 3213233220 in words is "three billion, two hundred thirteen million, two hundred thirty-three thousand, two hundred twenty".