22402221323 has 4 divisors (see below), whose sum is σ = 22672127688. Its totient is φ = 22132314960.

The previous prime is 22402221311. The next prime is 22402221341. The reversal of 22402221323 is 32312220422.

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 22402221323 - 2⁴ = 22402221307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22402221343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134953058 + ... + 134953223.

It is an arithmetic number, because the mean of its divisors is an integer number (5668031922).

Almost surely, 2^22402221323 is an apocalyptic number.

22402221323 is a deficient number, since it is larger than the sum of its proper divisors (269906365).

22402221323 is an equidigital number, since it uses as much as digits as its factorization.

22402221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269906364.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22402221323 its reverse (32312220422), we get a palindrome (54714441745).

Subtracting 22402221323 from its reverse (32312220422), we obtain a palindrome (9909999099).

The spelling of 22402221323 in words is "twenty-two billion, four hundred two million, two hundred twenty-one thousand, three hundred twenty-three".