422783859 has 32 divisors (see below), whose sum is σ = 593049600. Its totient is φ = 267598080.

The previous prime is 422783849. The next prime is 422783873. The reversal of 422783859 is 958387224.

It is not a de Polignac number, because 422783859 - 2¹¹ = 422781811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422783819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1814407 + ... + 1814639.

It is an arithmetic number, because the mean of its divisors is an integer number (18532800).

Almost surely, 2^422783859 is an apocalyptic number.

422783859 is a deficient number, since it is larger than the sum of its proper divisors (170265741).

422783859 is a wasteful number, since it uses less digits than its factorization.

422783859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its digits is 967680, while the sum is 48.

The square root of 422783859 is about 20561.7085622766. The cubic root of 422783859 is about 750.5381968110.

The spelling of 422783859 in words is "four hundred twenty-two million, seven hundred eighty-three thousand, eight hundred fifty-nine".