3622446321 has 16 divisors (see below), whose sum is σ = 5279098944. Its totient is φ = 2195924544.

The previous prime is 3622446313. The next prime is 3622446353. The reversal of 3622446321 is 1236442263.

It is not a de Polignac number, because 3622446321 - 2³ = 3622446313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3622446301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690546 + ... + 695771.

It is an arithmetic number, because the mean of its divisors is an integer number (329943684).

Almost surely, 2^3622446321 is an apocalyptic number.

It is an amenable number.

3622446321 is a deficient number, since it is larger than the sum of its proper divisors (1656652623).

3622446321 is a wasteful number, since it uses less digits than its factorization.

3622446321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386400.

The product of its digits is 41472, while the sum is 33.

The square root of 3622446321 is about 60186.7620079366. The cubic root of 3622446321 is about 1535.7976057616.

Adding to 3622446321 its reverse (1236442263), we get a palindrome (4858888584).

The spelling of 3622446321 in words is "three billion, six hundred twenty-two million, four hundred forty-six thousand, three hundred twenty-one".