22361472242 has 18 divisors (see below), whose sum is σ = 34393600749. Its totient is φ = 10903805680.

The previous prime is 22361472241. The next prime is 22361472251. The reversal of 22361472242 is 24227416322.

It can be written as a sum of positive squares in 2 ways, for example, as 15969629641 + 6391842601 = 126371^2 + 79949^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105739.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22361472241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8669309 + ... + 8671887.

Almost surely, 2^22361472242 is an apocalyptic number.

22361472242 is a deficient number, since it is larger than the sum of its proper divisors (12032128507).

22361472242 is an frugal number, since it uses more digits than its factorization.

22361472242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242 (or 2622 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

Adding to 22361472242 its reverse (24227416322), we get a palindrome (46588888564).

The spelling of 22361472242 in words is "twenty-two billion, three hundred sixty-one million, four hundred seventy-two thousand, two hundred forty-two".