422012407 has 2 divisors, whose sum is σ = 422012408. Its totient is φ = 422012406.

The previous prime is 422012377. The next prime is 422012411. The reversal of 422012407 is 704210224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422012407 - 2¹¹ = 422010359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422012807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211006203 + 211006204.

It is an arithmetic number, because the mean of its divisors is an integer number (211006204).

Almost surely, 2^422012407 is an apocalyptic number.

422012407 is a deficient number, since it is larger than the sum of its proper divisors (1).

422012407 is an equidigital number, since it uses as much as digits as its factorization.

422012407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 422012407 is about 20542.9405636097. The cubic root of 422012407 is about 750.0814175316.

The spelling of 422012407 in words is "four hundred twenty-two million, twelve thousand, four hundred seven".