22001341231 has 16 divisors (see below), whose sum is σ = 24187904640. Its totient is φ = 19919208960.

The previous prime is 22001341199. The next prime is 22001341237. The reversal of 22001341231 is 13214310022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22001341231 - 2⁵ = 22001341199 is a prime.

It is a super-2 number, since 2×22001341231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22001341199 and 22001341208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001341237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51265 + ... + 215941.

It is an arithmetic number, because the mean of its divisors is an integer number (1511744040).

Almost surely, 2^22001341231 is an apocalyptic number.

22001341231 is a deficient number, since it is larger than the sum of its proper divisors (2186563409).

22001341231 is a wasteful number, since it uses less digits than its factorization.

22001341231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164994.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22001341231 its reverse (13214310022), we get a palindrome (35215651253).

It can be divided in two parts, 2200 and 1341231, that added together give a palindrome (1343431).

The spelling of 22001341231 in words is "twenty-two billion, one million, three hundred forty-one thousand, two hundred thirty-one".