3220643322 has 64 divisors (see below), whose sum is σ = 7871592960. Its totient is φ = 969872832.

The previous prime is 3220643299. The next prime is 3220643329. The reversal of 3220643322 is 2233460223.

3220643322 is a `hidden beast` number, since 3 + 2 + 206 + 433 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3220643329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15813 + ... + 81800.

It is an arithmetic number, because the mean of its divisors is an integer number (122993640).

Almost surely, 2^3220643322 is an apocalyptic number.

3220643322 is an abundant number, since it is smaller than the sum of its proper divisors (4650949638).

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

3220643322 is a wasteful number, since it uses less digits than its factorization.

3220643322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97684 (or 97678 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 3220643322 is about 56750.7120836382. The cubic root of 3220643322 is about 1476.7745868253.

The spelling of 3220643322 in words is "three billion, two hundred twenty million, six hundred forty-three thousand, three hundred twenty-two".