22443142331 has 8 divisors (see below), whose sum is σ = 24796515744. Its totient is φ = 20204567680.

The previous prime is 22443142289. The next prime is 22443142363. The reversal of 22443142331 is 13324134422.

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 22443142331 - 2²⁶ = 22376033467 is a prime.

It is a super-2 number, since 2×22443142331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22443142294 and 22443142303.

It is not an unprimeable number, because it can be changed into a prime (22443142031) 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, 28699280 + ... + 28700061.

It is an arithmetic number, because the mean of its divisors is an integer number (3099564468).

Almost surely, 2^22443142331 is an apocalyptic number.

22443142331 is a deficient number, since it is larger than the sum of its proper divisors (2353373413).

22443142331 is a wasteful number, since it uses less digits than its factorization.

22443142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57399381.

The product of its digits is 13824, while the sum is 29.

Adding to 22443142331 its reverse (13324134422), we get a palindrome (35767276753).

The spelling of 22443142331 in words is "twenty-two billion, four hundred forty-three million, one hundred forty-two thousand, three hundred thirty-one".