22230323231 has 4 divisors (see below), whose sum is σ = 22947430464. Its totient is φ = 21513216000.

The previous prime is 22230323189. The next prime is 22230323251. The reversal of 22230323231 is 13232303222.

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-22230323231 is a prime.

It is a super-2 number, since 2×22230323231² (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 = 22230323197 and 22230323206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230323251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358553570 + ... + 358553631.

It is an arithmetic number, because the mean of its divisors is an integer number (5736857616).

Almost surely, 2^22230323231 is an apocalyptic number.

22230323231 is a deficient number, since it is larger than the sum of its proper divisors (717107233).

22230323231 is an equidigital number, since it uses as much as digits as its factorization.

22230323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717107232.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22230323231 its reverse (13232303222), we get a palindrome (35462626453).

The spelling of 22230323231 in words is "twenty-two billion, two hundred thirty million, three hundred twenty-three thousand, two hundred thirty-one".