3221563460 has 12 divisors (see below), whose sum is σ = 6765283308. Its totient is φ = 1288625376.

The previous prime is 3221563453. The next prime is 3221563469. The reversal of 3221563460 is 643651223.

It can be written as a sum of positive squares in 2 ways, for example, as 502566724 + 2718996736 = 22418^2 + 52144^2 .

It is a super-2 number, since 2×3221563460² = 20756942253614343200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3221563469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80539067 + ... + 80539106.

It is an arithmetic number, because the mean of its divisors is an integer number (563773609).

Almost surely, 2^3221563460 is an apocalyptic number.

It is an amenable number.

3221563460 is an abundant number, since it is smaller than the sum of its proper divisors (3543719848).

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

3221563460 is a wasteful number, since it uses less digits than its factorization.

3221563460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161078182 (or 161078180 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3221563460 is about 56758.8183456985. The cubic root of 3221563460 is about 1476.9152116315.

The spelling of 3221563460 in words is "three billion, two hundred twenty-one million, five hundred sixty-three thousand, four hundred sixty".