3634221443 has 8 divisors (see below), whose sum is σ = 3650728560. Its totient is φ = 3617752320.

The previous prime is 3634221401. The next prime is 3634221463. The reversal of 3634221443 is 3441224363.

3634221443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3634221443 - 2⁸ = 3634221187 is a prime.

It is a super-2 number, since 2×3634221443² = 26415130993522004498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3634221463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191771 + ... + 209867.

It is an arithmetic number, because the mean of its divisors is an integer number (456341070).

Almost surely, 2^3634221443 is an apocalyptic number.

3634221443 is a deficient number, since it is larger than the sum of its proper divisors (16507117).

3634221443 is a wasteful number, since it uses less digits than its factorization.

3634221443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18997.

The product of its digits is 41472, while the sum is 32.

The square root of 3634221443 is about 60284.5041698113. The cubic root of 3634221443 is about 1537.4598935316.

The spelling of 3634221443 in words is "three billion, six hundred thirty-four million, two hundred twenty-one thousand, four hundred forty-three".