22252312361 has 4 divisors (see below), whose sum is σ = 22338897492. Its totient is φ = 22165727232.

The previous prime is 22252312351. The next prime is 22252312409. The reversal of 22252312361 is 16321325222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20921886736 + 1330425625 = 144644^2 + 36475^2 .

It is a cyclic number.

It is not a de Polignac number, because 22252312361 - 2¹⁰ = 22252311337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22252312351) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 43292180 + ... + 43292693.

It is an arithmetic number, because the mean of its divisors is an integer number (5584724373).

Almost surely, 2^22252312361 is an apocalyptic number.

It is an amenable number.

22252312361 is a deficient number, since it is larger than the sum of its proper divisors (86585131).

22252312361 is an equidigital number, since it uses as much as digits as its factorization.

22252312361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86585130.

The product of its digits is 8640, while the sum is 29.

Adding to 22252312361 its reverse (16321325222), we get a palindrome (38573637583).

The spelling of 22252312361 in words is "twenty-two billion, two hundred fifty-two million, three hundred twelve thousand, three hundred sixty-one".