422287308 has 36 divisors (see below), whose sum is σ = 1085546280. Its totient is φ = 138375936.

The previous prime is 422287303. The next prime is 422287309. The reversal of 422287308 is 803782224.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (422287303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97285 + ... + 101532.

Almost surely, 2^422287308 is an apocalyptic number.

It is an amenable number.

422287308 is an abundant number, since it is smaller than the sum of its proper divisors (663258972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422287308 is a wasteful number, since it uses less digits than its factorization.

422287308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198886 (or 198881 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 422287308 is about 20549.6303616391. The cubic root of 422287308 is about 750.2442511132.

The spelling of 422287308 in words is "four hundred twenty-two million, two hundred eighty-seven thousand, three hundred eight".