2241221393 has 4 divisors (see below), whose sum is σ = 2262980928. Its totient is φ = 2219461860.

The previous prime is 2241221371. The next prime is 2241221443. The reversal of 2241221393 is 3931221422.

It is a happy number.

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 2241221393 - 2¹⁴ = 2241205009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2241221293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10879613 + ... + 10879818.

It is an arithmetic number, because the mean of its divisors is an integer number (565745232).

Almost surely, 2^2241221393 is an apocalyptic number.

It is an amenable number.

2241221393 is a deficient number, since it is larger than the sum of its proper divisors (21759535).

2241221393 is a wasteful number, since it uses less digits than its factorization.

2241221393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21759534.

The product of its digits is 5184, while the sum is 29.

The square root of 2241221393 is about 47341.5398249782. The cubic root of 2241221393 is about 1308.6642938109.

Adding to 2241221393 its sum of digits (29), we get a palindrome (2241221422).

The spelling of 2241221393 in words is "two billion, two hundred forty-one million, two hundred twenty-one thousand, three hundred ninety-three".