3220233312 has 96 divisors (see below), whose sum is σ = 9124980480. Its totient is φ = 991316480.

The previous prime is 3220233293. The next prime is 3220233349. The reversal of 3220233312 is 2133320223.

It is a tau number, because it is divible by the number of its divisors (96).

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, 38887 + ... + 89177.

It is an arithmetic number, because the mean of its divisors is an integer number (95051880).

Almost surely, 2^3220233312 is an apocalyptic number.

3220233312 is a gapful number since it is divisible by the number (32) 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 3220233312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4562490240).

3220233312 is an abundant number, since it is smaller than the sum of its proper divisors (5904747168).

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

3220233312 is a wasteful number, since it uses less digits than its factorization.

3220233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50356 (or 50348 counting only the distinct ones).

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

The square root of 3220233312 is about 56747.0995910804. The cubic root of 3220233312 is about 1476.7119163189.

Adding to 3220233312 its reverse (2133320223), we get a palindrome (5353553535).

The spelling of 3220233312 in words is "three billion, two hundred twenty million, two hundred thirty-three thousand, three hundred twelve".