422843076 has 72 divisors (see below), whose sum is σ = 1090427520. Its totient is φ = 138131136.

The previous prime is 422843059. The next prime is 422843089. The reversal of 422843076 is 670348224.

It is a super-2 number, since 2×422843076² = 357592533842283552, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 422843076.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446035 + ... + 446981.

Almost surely, 2^422843076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422843076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545213760).

422843076 is an abundant number, since it is smaller than the sum of its proper divisors (667584444).

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

422843076 is a wasteful number, since it uses less digits than its factorization.

422843076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 422843076 is about 20563.1484943333. The cubic root of 422843076 is about 750.5732364217.

The spelling of 422843076 in words is "four hundred twenty-two million, eight hundred forty-three thousand, seventy-six".