22231301231 has 8 divisors (see below), whose sum is σ = 22330846800. Its totient is φ = 22131901120.

The previous prime is 22231301203. The next prime is 22231301243. The reversal of 22231301231 is 13210313222.

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 22231301231 - 2¹⁴ = 22231284847 is a prime.

It is a super-2 number, since 2×22231301231² (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 (22231303231) 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, 275960 + ... + 347298.

It is an arithmetic number, because the mean of its divisors is an integer number (2791355850).

Almost surely, 2^22231301231 is an apocalyptic number.

22231301231 is a deficient number, since it is larger than the sum of its proper divisors (99545569).

22231301231 is a wasteful number, since it uses less digits than its factorization.

22231301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72729.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22231301231 its reverse (13210313222), we get a palindrome (35441614453).

The spelling of 22231301231 in words is "twenty-two billion, two hundred thirty-one million, three hundred one thousand, two hundred thirty-one".