22213203321 has 4 divisors (see below), whose sum is σ = 29617604432. Its totient is φ = 14808802212.

The previous prime is 22213203307. The next prime is 22213203329. The reversal of 22213203321 is 12330231222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22213203321 - 2¹⁴ = 22213186937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22213203329) 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, 3702200551 + ... + 3702200556.

It is an arithmetic number, because the mean of its divisors is an integer number (7404401108).

Almost surely, 2^22213203321 is an apocalyptic number.

It is an amenable number.

22213203321 is a deficient number, since it is larger than the sum of its proper divisors (7404401111).

22213203321 is an equidigital number, since it uses as much as digits as its factorization.

22213203321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404401110.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22213203321 its reverse (12330231222), we get a palindrome (34543434543).

The spelling of 22213203321 in words is "twenty-two billion, two hundred thirteen million, two hundred three thousand, three hundred twenty-one".