3222673621 has 4 divisors (see below), whose sum is σ = 3226324192. Its totient is φ = 3219023052.

The previous prime is 3222673607. The next prime is 3222673627. The reversal of 3222673621 is 1263762223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3222673621 - 2²⁵ = 3189119189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222673627) 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, 1823961 + ... + 1825726.

It is an arithmetic number, because the mean of its divisors is an integer number (806581048).

Almost surely, 2^3222673621 is an apocalyptic number.

It is an amenable number.

3222673621 is a deficient number, since it is larger than the sum of its proper divisors (3650571).

3222673621 is an equidigital number, since it uses as much as digits as its factorization.

3222673621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650570.

The product of its digits is 36288, while the sum is 34.

The square root of 3222673621 is about 56768.5971378543. The cubic root of 3222673621 is about 1477.0848420388.

The spelling of 3222673621 in words is "three billion, two hundred twenty-two million, six hundred seventy-three thousand, six hundred twenty-one".