422666907 has 8 divisors (see below), whose sum is σ = 606906384. Its totient is φ = 260102688.

The previous prime is 422666899. The next prime is 422666917. The reversal of 422666907 is 709666224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422666907 - 2³ = 422666899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422666917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5418768 + ... + 5418845.

It is an arithmetic number, because the mean of its divisors is an integer number (75863298).

Almost surely, 2^422666907 is an apocalyptic number.

422666907 is a deficient number, since it is larger than the sum of its proper divisors (184239477).

422666907 is a wasteful number, since it uses less digits than its factorization.

422666907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837629.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 422666907 is about 20558.8644384849. The cubic root of 422666907 is about 750.4689848986.

The spelling of 422666907 in words is "four hundred twenty-two million, six hundred sixty-six thousand, nine hundred seven".