422222404222243 has 2 divisors, whose sum is σ = 422222404222244. Its totient is φ = 422222404222242.

The previous prime is 422222404222193. The next prime is 422222404222277. The reversal of 422222404222243 is 342222404222224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422222404222243 is a prime.

It is a super-2 number, since 2×422222404222243² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422222407222243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211111202111121 + 211111202111122.

It is an arithmetic number, because the mean of its divisors is an integer number (211111202111122).

Almost surely, 2^{422222404222243} is an apocalyptic number.

422222404222243 is a deficient number, since it is larger than the sum of its proper divisors (1).

422222404222243 is an equidigital number, since it uses as much as digits as its factorization.

422222404222243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 422222404222243 its reverse (342222404222224), we get a palindrome (764444808444467).

The spelling of 422222404222243 in words is "four hundred twenty-two trillion, two hundred twenty-two billion, four hundred four million, two hundred twenty-two thousand, two hundred forty-three".