422673280 has 64 divisors (see below), whose sum is σ = 1014598080. Its totient is φ = 168376320.

The previous prime is 422673263. The next prime is 422673283. The reversal of 422673280 is 82376224.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422673283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 172222 + ... + 174658.

It is an arithmetic number, because the mean of its divisors is an integer number (15853095).

Almost surely, 2^422673280 is an apocalyptic number.

422673280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422673280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507299040).

422673280 is an abundant number, since it is smaller than the sum of its proper divisors (591924800).

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

422673280 is a wasteful number, since it uses less digits than its factorization.

422673280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 422673280 is about 20559.0194318698. The cubic root of 422673280 is about 750.4727567536.

The spelling of 422673280 in words is "four hundred twenty-two million, six hundred seventy-three thousand, two hundred eighty".