22431402263 has 2 divisors, whose sum is σ = 22431402264. Its totient is φ = 22431402262.

The previous prime is 22431402209. The next prime is 22431402269. The reversal of 22431402263 is 36220413422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22431402263 - 2²⁴ = 22414625047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22431402269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215701131 + 11215701132.

It is an arithmetic number, because the mean of its divisors is an integer number (11215701132).

Almost surely, 2^22431402263 is an apocalyptic number.

22431402263 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431402263 is an equidigital number, since it uses as much as digits as its factorization.

22431402263 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22431402263 its reverse (36220413422), we get a palindrome (58651815685).

The spelling of 22431402263 in words is "twenty-two billion, four hundred thirty-one million, four hundred two thousand, two hundred sixty-three".