3222561612 has 24 divisors (see below), whose sum is σ = 7543342576. Its totient is φ = 1070754048.

The previous prime is 3222561611. The next prime is 3222561637. The reversal of 3222561612 is 2161652223.

It is a self number, because there is not a number n which added to its sum of digits gives 3222561612.

It is not an unprimeable number, because it can be changed into a prime (3222561611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425233 + ... + 432744.

Almost surely, 2^3222561612 is an apocalyptic number.

It is an amenable number.

3222561612 is an abundant number, since it is smaller than the sum of its proper divisors (4320780964).

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

3222561612 is a wasteful number, since it uses less digits than its factorization.

3222561612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858297 (or 858295 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 3222561612 is about 56767.6105891379. The cubic root of 3222561612 is about 1477.0677290521.

The spelling of 3222561612 in words is "three billion, two hundred twenty-two million, five hundred sixty-one thousand, six hundred twelve".