22123202231 has 8 divisors (see below), whose sum is σ = 23883244560. Its totient is φ = 20371482432.

The previous prime is 22123202201. The next prime is 22123202237. The reversal of 22123202231 is 13220232122.

It is a happy number.

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 22123202231 - 2¹⁰ = 22123201207 is a prime.

It is a super-2 number, since 2×22123202231² (a number of 21 digits) contains 22 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 (22123202237) 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, 2075105 + ... + 2085738.

It is an arithmetic number, because the mean of its divisors is an integer number (2985405570).

Almost surely, 2^22123202231 is an apocalyptic number.

22123202231 is a deficient number, since it is larger than the sum of its proper divisors (1760042329).

22123202231 is a wasteful number, since it uses less digits than its factorization.

22123202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161265.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22123202231 its reverse (13220232122), we get a palindrome (35343434353).

The spelling of 22123202231 in words is "twenty-two billion, one hundred twenty-three million, two hundred two thousand, two hundred thirty-one".