22442112331 has 4 divisors (see below), whose sum is σ = 22466856472. Its totient is φ = 22417368192.

The previous prime is 22442112307. The next prime is 22442112353. The reversal of 22442112331 is 13321124422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22442112331 - 2¹¹ = 22442110283 is a prime.

It is a super-2 number, since 2×22442112331² (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 = 22442112296 and 22442112305.

It is not an unprimeable number, because it can be changed into a prime (22442112361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12370710 + ... + 12372523.

It is an arithmetic number, because the mean of its divisors is an integer number (5616714118).

Almost surely, 2^22442112331 is an apocalyptic number.

22442112331 is a deficient number, since it is larger than the sum of its proper divisors (24744141).

22442112331 is an equidigital number, since it uses as much as digits as its factorization.

22442112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24744140.

The product of its digits is 2304, while the sum is 25.

Adding to 22442112331 its reverse (13321124422), we get a palindrome (35763236753).

The spelling of 22442112331 in words is "twenty-two billion, four hundred forty-two million, one hundred twelve thousand, three hundred thirty-one".