422063460 has 360 divisors, whose sum is σ = 1662728760. Its totient is φ = 88833024.

The previous prime is 422063459. The next prime is 422063503. The reversal of 422063460 is 64360224.

422063460 is a `hidden beast` number, since 4 + 2 + 20 + 634 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55264356 + 366799104 = 7434^2 + 19152^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1031736 + ... + 1032144.

It is an arithmetic number, because the mean of its divisors is an integer number (4618691).

Almost surely, 2^422063460 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 422063460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831364380).

422063460 is an abundant number, since it is smaller than the sum of its proper divisors (1240665300).

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

422063460 is a wasteful number, since it uses less digits than its factorization.

422063460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 422063460 is about 20544.1831183428. The cubic root of 422063460 is about 750.1116633742. Note that the first 3 decimals are identical.

The spelling of 422063460 in words is "four hundred twenty-two million, sixty-three thousand, four hundred sixty".