422866785 has 32 divisors (see below), whose sum is σ = 739186560. Its totient is φ = 204723200.

The previous prime is 422866771. The next prime is 422866813. The reversal of 422866785 is 587668224.

It is not a de Polignac number, because 422866785 - 2¹³ = 422858593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143911 + ... + 146819.

It is an arithmetic number, because the mean of its divisors is an integer number (23099580).

Almost surely, 2^422866785 is an apocalyptic number.

It is an amenable number.

422866785 is a deficient number, since it is larger than the sum of its proper divisors (316319775).

422866785 is a wasteful number, since it uses less digits than its factorization.

422866785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809.

The product of its digits is 1290240, while the sum is 48.

The square root of 422866785 is about 20563.7249787095. The cubic root of 422866785 is about 750.5872644850.

The spelling of 422866785 in words is "four hundred twenty-two million, eight hundred sixty-six thousand, seven hundred eighty-five".