2221363 has 4 divisors (see below), whose sum is σ = 2317968. Its totient is φ = 2124760.

The previous prime is 2221343. The next prime is 2221379. The reversal of 2221363 is 3631222.

2221363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2221363 - 2¹³ = 2213171 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 2221363.

It is not an unprimeable number, because it can be changed into a prime (2221333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48268 + ... + 48313.

It is an arithmetic number, because the mean of its divisors is an integer number (579492).

2^2221363 is an apocalyptic number.

2221363 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2221363 is a deficient number, since it is larger than the sum of its proper divisors (96605).

2221363 is an equidigital number, since it uses as much as digits as its factorization.

2221363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96604.

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

The square root of 2221363 is about 1490.4237652426. The cubic root of 2221363 is about 130.4787671645.

Adding to 2221363 its reverse (3631222), we get a palindrome (5852585).

The spelling of 2221363 in words is "two million, two hundred twenty-one thousand, three hundred sixty-three".