3222994320 has 640 divisors, whose sum is σ = 14399078400. Its totient is φ = 643479552.

The previous prime is 3222994303. The next prime is 3222994349. The reversal of 3222994320 is 234992223.

3222994320 is a `hidden beast` number, since 322 + 2 + 9 + 9 + 4 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3734209 + ... + 3735071.

It is an arithmetic number, because the mean of its divisors is an integer number (22498560).

Almost surely, 2^3222994320 is an apocalyptic number.

3222994320 is a gapful number since it is divisible by the number (30) 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 3222994320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7199539200).

3222994320 is an abundant number, since it is smaller than the sum of its proper divisors (11176084080).

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

3222994320 is a wasteful number, since it uses less digits than its factorization.

3222994320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3222994320 is about 56771.4216838014. The cubic root of 3222994320 is about 1477.1338369599.

The spelling of 3222994320 in words is "three billion, two hundred twenty-two million, nine hundred ninety-four thousand, three hundred twenty".