22243002266 has 8 divisors (see below), whose sum is σ = 35327121300. Its totient is φ = 10467295168.

The previous prime is 22243002263. The next prime is 22243002359. The reversal of 22243002266 is 66220034222.

It can be written as a sum of positive squares in 2 ways, for example, as 22222163041 + 20839225 = 149071^2 + 4565^2 .

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

It is a super-2 number, since 2×22243002266² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22243002263) 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, 327102941 + ... + 327103008.

Almost surely, 2^22243002266 is an apocalyptic number.

22243002266 is a deficient number, since it is larger than the sum of its proper divisors (13084119034).

22243002266 is a wasteful number, since it uses less digits than its factorization.

22243002266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654205968.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 22243002266 its reverse (66220034222), we get a palindrome (88463036488).

The spelling of 22243002266 in words is "twenty-two billion, two hundred forty-three million, two thousand, two hundred sixty-six".