422531760 has 160 divisors (see below), whose sum is σ = 1532044800. Its totient is φ = 94316544.

The previous prime is 422531729. The next prime is 422531771. The reversal of 422531760 is 67135224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69316 + ... + 75164.

It is an arithmetic number, because the mean of its divisors is an integer number (9575280).

Almost surely, 2^422531760 is an apocalyptic number.

422531760 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 422531760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766022400).

422531760 is an abundant number, since it is smaller than the sum of its proper divisors (1109513040).

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

422531760 is a wasteful number, since it uses less digits than its factorization.

422531760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915 (or 5909 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 422531760 is about 20555.5773453338. The cubic root of 422531760 is about 750.3889893260.

Adding to 422531760 its reverse (67135224), we get a palindrome (489666984).

The spelling of 422531760 in words is "four hundred twenty-two million, five hundred thirty-one thousand, seven hundred sixty".