2221323463 has 4 divisors (see below), whose sum is σ = 2317902768. Its totient is φ = 2124744160.

The previous prime is 2221323451. The next prime is 2221323473. The reversal of 2221323463 is 3643231222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221323463 - 2²⁹ = 1684452551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221323443) 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, 48289618 + ... + 48289663.

It is an arithmetic number, because the mean of its divisors is an integer number (579475692).

Almost surely, 2^2221323463 is an apocalyptic number.

2221323463 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2221323463 is a deficient number, since it is larger than the sum of its proper divisors (96579305).

2221323463 is an equidigital number, since it uses as much as digits as its factorization.

2221323463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96579304.

The product of its digits is 10368, while the sum is 28.

The square root of 2221323463 is about 47130.9183339345. The cubic root of 2221323463 is about 1304.7799304972.

Adding to 2221323463 its reverse (3643231222), we get a palindrome (5864554685).

The spelling of 2221323463 in words is "two billion, two hundred twenty-one million, three hundred twenty-three thousand, four hundred sixty-three".