3222646440 has 64 divisors (see below), whose sum is σ = 10411632000. Its totient is φ = 793266432.

The previous prime is 3222646439. The next prime is 3222646499. The reversal of 3222646440 is 446462223.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031340 + ... + 1034459.

It is an arithmetic number, because the mean of its divisors is an integer number (162681750).

Almost surely, 2^3222646440 is an apocalyptic number.

3222646440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3222646440 is an abundant number, since it is smaller than the sum of its proper divisors (7188985560).

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

3222646440 is a wasteful number, since it uses less digits than its factorization.

3222646440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065826 (or 2065822 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 3222646440 is about 56768.3577356259. The cubic root of 3222646440 is about 1477.0806893010.

The spelling of 3222646440 in words is "three billion, two hundred twenty-two million, six hundred forty-six thousand, four hundred forty".