22122423343231 has 8 divisors (see below), whose sum is σ = 22163261784800. Its totient is φ = 22081621351680.

The previous prime is 22122423343151. The next prime is 22122423343259. The reversal of 22122423343231 is 13234332422122.

It is a happy number.

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 22122423343231 - 2¹³ = 22122423335039 is a prime.

It is a super-2 number, since 2×22122423343231² (a number of 27 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 (22122423343271) 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, 7897386 + ... + 10325383.

It is an arithmetic number, because the mean of its divisors is an integer number (2770407723100).

Almost surely, 2^{22122423343231} is an apocalyptic number.

22122423343231 is a deficient number, since it is larger than the sum of its proper divisors (40838441569).

22122423343231 is a wasteful number, since it uses less digits than its factorization.

22122423343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18225009.

The product of its digits is 82944, while the sum is 34.

Adding to 22122423343231 its reverse (13234332422122), we get a palindrome (35356755765353).

The spelling of 22122423343231 in words is "twenty-two trillion, one hundred twenty-two billion, four hundred twenty-three million, three hundred forty-three thousand, two hundred thirty-one".