22031222047 has 2 divisors, whose sum is σ = 22031222048. Its totient is φ = 22031222046.

The previous prime is 22031222041. The next prime is 22031222051. The reversal of 22031222047 is 74022213022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22031222047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22031222041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015611023 + 11015611024.

It is an arithmetic number, because the mean of its divisors is an integer number (11015611024).

Almost surely, 2^22031222047 is an apocalyptic number.

22031222047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031222047 is an equidigital number, since it uses as much as digits as its factorization.

22031222047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 22031222047 its reverse (74022213022), we get a palindrome (96053435069).

The spelling of 22031222047 in words is "twenty-two billion, thirty-one million, two hundred twenty-two thousand, forty-seven".