22432422442 has 8 divisors (see below), whose sum is σ = 33649503300. Its totient is φ = 11215921344.

The previous prime is 22432422421. The next prime is 22432422443. The reversal of 22432422442 is 24422423422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19701210321 + 2731212121 = 140361^2 + 52261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22432422443) 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, 29967 + ... + 213922.

Almost surely, 2^22432422442 is an apocalyptic number.

22432422442 is a deficient number, since it is larger than the sum of its proper divisors (11217080858).

22432422442 is a wasteful number, since it uses less digits than its factorization.

22432422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289880.

The product of its digits is 49152, while the sum is 31.

Adding to 22432422442 its reverse (24422423422), we get a palindrome (46854845864).

The spelling of 22432422442 in words is "twenty-two billion, four hundred thirty-two million, four hundred twenty-two thousand, four hundred forty-two".