422340047 has 2 divisors, whose sum is σ = 422340048. Its totient is φ = 422340046.

The previous prime is 422340041. The next prime is 422340091. The reversal of 422340047 is 740043224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422340047 - 2⁴ = 422340031 is a prime.

It is a super-2 number, since 2×422340047² = 356742230599924418, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 422339998 and 422340025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422340041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211170023 + 211170024.

It is an arithmetic number, because the mean of its divisors is an integer number (211170024).

Almost surely, 2^422340047 is an apocalyptic number.

422340047 is a deficient number, since it is larger than the sum of its proper divisors (1).

422340047 is an equidigital number, since it uses as much as digits as its factorization.

422340047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 422340047 is about 20550.9135320063. The cubic root of 422340047 is about 750.2754822078.

The spelling of 422340047 in words is "four hundred twenty-two million, three hundred forty thousand, forty-seven".