422442693 has 12 divisors (see below), whose sum is σ = 617547840. Its totient is φ = 278234856.

The previous prime is 422442667. The next prime is 422442697. The reversal of 422442693 is 396244224.

422442693 is a `hidden beast` number, since 4 + 224 + 426 + 9 + 3 = 666.

It is not a de Polignac number, because 422442693 - 2¹⁴ = 422426309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422442697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282013 + ... + 283506.

It is an arithmetic number, because the mean of its divisors is an integer number (51462320).

Almost surely, 2^422442693 is an apocalyptic number.

It is an amenable number.

422442693 is a deficient number, since it is larger than the sum of its proper divisors (195105147).

422442693 is a wasteful number, since it uses less digits than its factorization.

422442693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565608 (or 565605 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 422442693 is about 20553.4107388531. The cubic root of 422442693 is about 750.3362598832.

The spelling of 422442693 in words is "four hundred twenty-two million, four hundred forty-two thousand, six hundred ninety-three".