22223321231 has 4 divisors (see below), whose sum is σ = 22239651264. Its totient is φ = 22206991200.

The previous prime is 22223321207. The next prime is 22223321249. The reversal of 22223321231 is 13212332222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22223321231 is a prime.

It is a super-2 number, since 2×22223321231² (a number of 21 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 = 22223321197 and 22223321206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223329231) 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, 8162975 + ... + 8165696.

It is an arithmetic number, because the mean of its divisors is an integer number (5559912816).

Almost surely, 2^22223321231 is an apocalyptic number.

22223321231 is a deficient number, since it is larger than the sum of its proper divisors (16330033).

22223321231 is a wasteful number, since it uses less digits than its factorization.

22223321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330032.

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

Adding to 22223321231 its reverse (13212332222), we get a palindrome (35435653453).

The spelling of 22223321231 in words is "twenty-two billion, two hundred twenty-three million, three hundred twenty-one thousand, two hundred thirty-one".