22252242233 has 8 divisors (see below), whose sum is σ = 23965792200. Its totient is φ = 20538955008.

The previous prime is 22252242211. The next prime is 22252242251. The reversal of 22252242233 is 33224225222.

It can be written as a sum of positive squares in 4 ways, for example, as 6417291664 + 15834950569 = 80108^2 + 125837^2 .

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

It is not a de Polignac number, because 22252242233 - 2⁶ = 22252242169 is a prime.

It is a super-2 number, since 2×22252242233² (a number of 21 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 = 22252242196 and 22252242205.

It is not an unprimeable number, because it can be changed into a prime (22252242253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132353 + ... + 249041.

It is an arithmetic number, because the mean of its divisors is an integer number (2995724025).

Almost surely, 2^22252242233 is an apocalyptic number.

It is an amenable number.

22252242233 is a deficient number, since it is larger than the sum of its proper divisors (1713549967).

22252242233 is a wasteful number, since it uses less digits than its factorization.

22252242233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131371.

The product of its digits is 23040, while the sum is 29.

Adding to 22252242233 its reverse (33224225222), we get a palindrome (55476467455).

The spelling of 22252242233 in words is "twenty-two billion, two hundred fifty-two million, two hundred forty-two thousand, two hundred thirty-three".