22222131263 has 2 divisors, whose sum is σ = 22222131264. Its totient is φ = 22222131262.

The previous prime is 22222131259. The next prime is 22222131317. The reversal of 22222131263 is 36213122222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222131263 - 2² = 22222131259 is a prime.

It is a super-3 number, since 3×22222131263³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222161263) 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 as a sum of consecutive naturals, namely, 11111065631 + 11111065632.

It is an arithmetic number, because the mean of its divisors is an integer number (11111065632).

Almost surely, 2^22222131263 is an apocalyptic number.

22222131263 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222131263 is an equidigital number, since it uses as much as digits as its factorization.

22222131263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

Adding to 22222131263 its reverse (36213122222), we get a palindrome (58435253485).

The spelling of 22222131263 in words is "twenty-two billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred sixty-three".