22212421223 has 8 divisors (see below), whose sum is σ = 22244725392. Its totient is φ = 22180139136.

The previous prime is 22212421117. The next prime is 22212421237. The reversal of 22212421223 is 32212421222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22212421223 - 2¹⁰ = 22212420199 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 (22212423223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293711 + ... + 3300447.

It is an arithmetic number, because the mean of its divisors is an integer number (2780590674).

Almost surely, 2^22212421223 is an apocalyptic number.

22212421223 is a deficient number, since it is larger than the sum of its proper divisors (32304169).

22212421223 is an equidigital number, since it uses as much as digits as its factorization.

22212421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041.

The product of its digits is 1536, while the sum is 23.

Adding to 22212421223 its reverse (32212421222), we get a palindrome (54424842445).

Subtracting 22212421223 from its reverse (32212421222), we obtain a palindrome (9999999999).

The spelling of 22212421223 in words is "twenty-two billion, two hundred twelve million, four hundred twenty-one thousand, two hundred twenty-three".