422284878 has 12 divisors (see below), whose sum is σ = 914950608. Its totient is φ = 140761620.

The previous prime is 422284847. The next prime is 422284903. The reversal of 422284878 is 878482224.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11730118 + ... + 11730153.

It is an arithmetic number, because the mean of its divisors is an integer number (76245884).

Almost surely, 2^422284878 is an apocalyptic number.

422284878 is an abundant number, since it is smaller than the sum of its proper divisors (492665730).

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

422284878 is a wasteful number, since it uses less digits than its factorization.

422284878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23460279 (or 23460276 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 422284878 is about 20549.5712364030. The cubic root of 422284878 is about 750.2428120479.

The spelling of 422284878 in words is "four hundred twenty-two million, two hundred eighty-four thousand, eight hundred seventy-eight".