422734464 has 96 divisors (see below), whose sum is σ = 1261609440. Its totient is φ = 140901120.

The previous prime is 422734447. The next prime is 422734517. The reversal of 422734464 is 464437224.

It is a tau number, because it is divible by the number of its divisors (96).

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

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 11 ways as a sum of consecutive naturals, for example, 24309 + ... + 37899.

It is an arithmetic number, because the mean of its divisors is an integer number (13141765).

Almost surely, 2^422734464 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 422734464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630804720).

422734464 is an abundant number, since it is smaller than the sum of its proper divisors (838874976).

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

422734464 is an equidigital number, since it uses as much as digits as its factorization.

422734464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620 (or 13596 counting only the distinct ones).

The product of its digits is 129024, while the sum is 36.

The square root of 422734464 is about 20560.5073867354. The cubic root of 422734464 is about 750.5089665260.

The spelling of 422734464 in words is "four hundred twenty-two million, seven hundred thirty-four thousand, four hundred sixty-four".