22201310231 has 4 divisors (see below), whose sum is σ = 22213805712. Its totient is φ = 22188814752.

The previous prime is 22201310189. The next prime is 22201310233. The reversal of 22201310231 is 13201310222.

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-22201310231 is a prime.

It is a super-2 number, since 2×22201310231² (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 (22201310233) 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, 6245075 + ... + 6248628.

It is an arithmetic number, because the mean of its divisors is an integer number (5553451428).

Almost surely, 2^22201310231 is an apocalyptic number.

22201310231 is a deficient number, since it is larger than the sum of its proper divisors (12495481).

22201310231 is a wasteful number, since it uses less digits than its factorization.

22201310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495480.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22201310231 its reverse (13201310222), we get a palindrome (35402620453).

Subtracting from 22201310231 its reverse (13201310222), we obtain a palindrome (9000000009).

The spelling of 22201310231 in words is "twenty-two billion, two hundred one million, three hundred ten thousand, two hundred thirty-one".