3221913601 has 4 divisors (see below), whose sum is σ = 3333014100. Its totient is φ = 3110813104.

The previous prime is 3221913599. The next prime is 3221913613. The reversal of 3221913601 is 1063191223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2703896001 + 518017600 = 51999^2 + 22760^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221913601 - 2¹ = 3221913599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221913601.

It is not an unprimeable number, because it can be changed into a prime (3221913641) 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, 55550206 + ... + 55550263.

It is an arithmetic number, because the mean of its divisors is an integer number (833253525).

Almost surely, 2^3221913601 is an apocalyptic number.

It is an amenable number.

3221913601 is a deficient number, since it is larger than the sum of its proper divisors (111100499).

3221913601 is a wasteful number, since it uses less digits than its factorization.

3221913601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111100498.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 3221913601 is about 56761.9027253315. The cubic root of 3221913601 is about 1476.9687166912.

The spelling of 3221913601 in words is "three billion, two hundred twenty-one million, nine hundred thirteen thousand, six hundred one".