22231203331 has 12 divisors (see below), whose sum is σ = 23653465840. Its totient is φ = 20890154880.

The previous prime is 22231203329. The next prime is 22231203361. The reversal of 22231203331 is 13330213222.

It is not a de Polignac number, because 22231203331 - 2¹ = 22231203329 is a prime.

It is a super-2 number, since 2×22231203331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22231203361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121405 + ... + 243313.

Almost surely, 2^22231203331 is an apocalyptic number.

22231203331 is a deficient number, since it is larger than the sum of its proper divisors (1422262509).

22231203331 is a wasteful number, since it uses less digits than its factorization.

22231203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122574 (or 122557 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22231203331 its reverse (13330213222), we get a palindrome (35561416553).

The spelling of 22231203331 in words is "twenty-two billion, two hundred thirty-one million, two hundred three thousand, three hundred thirty-one".