22343214203221 has 4 divisors (see below), whose sum is σ = 22888170647244. Its totient is φ = 21798257759200.

The previous prime is 22343214203207. The next prime is 22343214203227. The reversal of 22343214203221 is 12230241234322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13531281323121 + 8811932880100 = 3678489^2 + 2968490^2 .

It is a cyclic number.

It is not a de Polignac number, because 22343214203221 - 2²¹ = 22343212106069 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 (22343214203227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272478221950 + ... + 272478222031.

It is an arithmetic number, because the mean of its divisors is an integer number (5722042661811).

Almost surely, 2^{22343214203221} is an apocalyptic number.

It is an amenable number.

22343214203221 is a deficient number, since it is larger than the sum of its proper divisors (544956444023).

22343214203221 is an equidigital number, since it uses as much as digits as its factorization.

22343214203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544956444022.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 22343214203221 its reverse (12230241234322), we get a palindrome (34573455437543).

The spelling of 22343214203221 in words is "twenty-two trillion, three hundred forty-three billion, two hundred fourteen million, two hundred three thousand, two hundred twenty-one".