22312231223 has 4 divisors (see below), whose sum is σ = 22312651680. Its totient is φ = 22311810768.

The previous prime is 22312231177. The next prime is 22312231237. The reversal of 22312231223 is 32213221322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32213221322 = 2 ⋅16106610661.

It is a cyclic number.

It is not a de Polignac number, because 22312231223 - 2⁶ = 22312231159 is a prime.

It is a super-3 number, since 3×22312231223³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312231273) 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, 116783 + ... + 241376.

It is an arithmetic number, because the mean of its divisors is an integer number (5578162920).

Almost surely, 2^22312231223 is an apocalyptic number.

22312231223 is a deficient number, since it is larger than the sum of its proper divisors (420457).

22312231223 is an equidigital number, since it uses as much as digits as its factorization.

22312231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420456.

The product of its digits is 1728, while the sum is 23.

Adding to 22312231223 its reverse (32213221322), we get a palindrome (54525452545).

Subtracting 22312231223 from its reverse (32213221322), we obtain a palindrome (9900990099).

The spelling of 22312231223 in words is "twenty-two billion, three hundred twelve million, two hundred thirty-one thousand, two hundred twenty-three".