22213122121223 has 12 divisors (see below), whose sum is σ = 24416284614624. Its totient is φ = 20193575160000.

The previous prime is 22213122121207. The next prime is 22213122121261. The reversal of 22213122121223 is 32212122131222.

It is not a de Polignac number, because 22213122121223 - 2⁴ = 22213122121207 is a prime.

It is a super-2 number, since 2×22213122121223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22213122121192 and 22213122121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213122121273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14728223 + ... + 16166223.

It is an arithmetic number, because the mean of its divisors is an integer number (2034690384552).

Almost surely, 2^{22213122121223} is an apocalyptic number.

22213122121223 is a deficient number, since it is larger than the sum of its proper divisors (2203162493401).

22213122121223 is a wasteful number, since it uses less digits than its factorization.

22213122121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565686 (or 1565675 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 22213122121223 its reverse (32212122131222), we get a palindrome (54425244252445).

Subtracting 22213122121223 from its reverse (32212122131222), we obtain a palindrome (9999000009999).

The spelling of 22213122121223 in words is "twenty-two trillion, two hundred thirteen billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-three".