3216605322 has 64 divisors (see below), whose sum is σ = 7640137728. Its totient is φ = 883440000.

The previous prime is 3216605311. The next prime is 3216605333. The reversal of 3216605322 is 2235066123.

3216605322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3216605311) and next prime (3216605333).

It is a self number, because there is not a number n which added to its sum of digits gives 3216605322.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188422 + ... + 204782.

It is an arithmetic number, because the mean of its divisors is an integer number (119377152).

Almost surely, 2^3216605322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3216605322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3820068864).

3216605322 is an abundant number, since it is smaller than the sum of its proper divisors (4423532406).

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

3216605322 is a wasteful number, since it uses less digits than its factorization.

3216605322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16555.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3216605322 is about 56715.1242791550. The cubic root of 3216605322 is about 1476.1571418904.

The spelling of 3216605322 in words is "three billion, two hundred sixteen million, six hundred five thousand, three hundred twenty-two".