8322481621 has 8 divisors (see below), whose sum is σ = 8806644864. Its totient is φ = 7848511440.

The previous prime is 8322481579. The next prime is 8322481697. The reversal of 8322481621 is 1261842238.

It is a happy number.

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 8322481621 - 2²⁹ = 7785610709 is a prime.

It is a super-4 number, since 4×8322481621⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8322281621) 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, 2546586 + ... + 2549851.

It is an arithmetic number, because the mean of its divisors is an integer number (1100830608).

Almost surely, 2^8322481621 is an apocalyptic number.

It is an amenable number.

8322481621 is a deficient number, since it is larger than the sum of its proper divisors (484163243).

8322481621 is a wasteful number, since it uses less digits than its factorization.

8322481621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096531.

The product of its digits is 36864, while the sum is 37.

The square root of 8322481621 is about 91227.6362787067. The cubic root of 8322481621 is about 2026.5202521688.

The spelling of 8322481621 in words is "eight billion, three hundred twenty-two million, four hundred eighty-one thousand, six hundred twenty-one".