22001331132231 has 48 divisors (see below), whose sum is σ = 32375577931872. Its totient is φ = 13279927415040.

The previous prime is 22001331132223. The next prime is 22001331132239. The reversal of 22001331132231 is 13223113310022.

It is an interprime number because it is at equal distance from previous prime (22001331132223) and next prime (22001331132239).

It is not a de Polignac number, because 22001331132231 - 2³ = 22001331132223 is a prime.

It is a super-2 number, since 2×22001331132231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001331132239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224883681 + ... + 224981493.

It is an arithmetic number, because the mean of its divisors is an integer number (674491206914).

Almost surely, 2^{22001331132231} is an apocalyptic number.

22001331132231 is a deficient number, since it is larger than the sum of its proper divisors (10374246799641).

22001331132231 is a wasteful number, since it uses less digits than its factorization.

22001331132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100352 (or 100341 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 22001331132231 its reverse (13223113310022), we get a palindrome (35224444442253).

The spelling of 22001331132231 in words is "twenty-two trillion, one billion, three hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty-one".