22236413722 has 4 divisors (see below), whose sum is σ = 33354620586. Its totient is φ = 11118206860.

The previous prime is 22236413699. The next prime is 22236413741. The reversal of 22236413722 is 22731463222.

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

It can be written as a sum of positive squares in only one way, i.e., 15911551881 + 6324861841 = 126141^2 + 79529^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559103429 + ... + 5559103432.

Almost surely, 2^22236413722 is an apocalyptic number.

22236413722 is a deficient number, since it is larger than the sum of its proper divisors (11118206864).

22236413722 is a wasteful number, since it uses less digits than its factorization.

22236413722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11118206863.

The product of its digits is 48384, while the sum is 34.

Adding to 22236413722 its reverse (22731463222), we get a palindrome (44967876944).

The spelling of 22236413722 in words is "twenty-two billion, two hundred thirty-six million, four hundred thirteen thousand, seven hundred twenty-two".