422867478 has 32 divisors (see below), whose sum is σ = 923892480. Its totient is φ = 127964960.

The previous prime is 422867449. The next prime is 422867519. The reversal of 422867478 is 874768224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48583 + ... + 56621.

It is an arithmetic number, because the mean of its divisors is an integer number (28871640).

Almost surely, 2^422867478 is an apocalyptic number.

422867478 is an abundant number, since it is smaller than the sum of its proper divisors (501025002).

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

422867478 is a wasteful number, since it uses less digits than its factorization.

422867478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8852.

The product of its digits is 1204224, while the sum is 48.

The square root of 422867478 is about 20563.7418287626. The cubic root of 422867478 is about 750.5876745091.

The spelling of 422867478 in words is "four hundred twenty-two million, eight hundred sixty-seven thousand, four hundred seventy-eight".