3220222312 has 16 divisors (see below), whose sum is σ = 6038748000. Its totient is φ = 1609889520.

The previous prime is 3220222303. The next prime is 3220222409. The reversal of 3220222312 is 2132220223.

It is a self number, because there is not a number n which added to its sum of digits gives 3220222312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45387 + ... + 92197.

It is an arithmetic number, because the mean of its divisors is an integer number (377421750).

Almost surely, 2^3220222312 is an apocalyptic number.

It is an amenable number.

3220222312 is a deficient number, since it is larger than the sum of its proper divisors (2818525688).

3220222312 is a wasteful number, since it uses less digits than its factorization.

3220222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55416 (or 55412 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3220222312 is about 56747.0026697446. The cubic root of 3220222312 is about 1476.7102348828.

Adding to 3220222312 its reverse (2132220223), we get a palindrome (5352442535).

The spelling of 3220222312 in words is "three billion, two hundred twenty million, two hundred twenty-two thousand, three hundred twelve".