2221301323 has 4 divisors (see below), whose sum is σ = 2233573888. Its totient is φ = 2209028760.

The previous prime is 2221301309. The next prime is 2221301359. The reversal of 2221301323 is 3231031222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221301323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221301323.

It is not an unprimeable number, because it can be changed into a prime (2221301363) 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, 6136011 + ... + 6136372.

It is an arithmetic number, because the mean of its divisors is an integer number (558393472).

Almost surely, 2^2221301323 is an apocalyptic number.

2221301323 is a deficient number, since it is larger than the sum of its proper divisors (12272565).

2221301323 is a wasteful number, since it uses less digits than its factorization.

2221301323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272564.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2221301323 is about 47130.6834556852. The cubic root of 2221301323 is about 1304.7755955554.

Adding to 2221301323 its reverse (3231031222), we get a palindrome (5452332545).

The spelling of 2221301323 in words is "two billion, two hundred twenty-one million, three hundred one thousand, three hundred twenty-three".