422334240 has 48 divisors (see below), whose sum is σ = 1330354368. Its totient is φ = 112622336.

The previous prime is 422334229. The next prime is 422334251. The reversal of 422334240 is 42433224.

It is an interprime number because it is at equal distance from previous prime (422334229) and next prime (422334251).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 422334240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439452 + ... + 440411.

It is an arithmetic number, because the mean of its divisors is an integer number (27715716).

Almost surely, 2^422334240 is an apocalyptic number.

422334240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422334240 is an abundant number, since it is smaller than the sum of its proper divisors (908020128).

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

422334240 is a wasteful number, since it uses less digits than its factorization.

422334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879881 (or 879873 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 422334240 is about 20550.7722482636. The cubic root of 422334240 is about 750.2720435334.

Adding to 422334240 its reverse (42433224), we get a palindrome (464767464).

The spelling of 422334240 in words is "four hundred twenty-two million, three hundred thirty-four thousand, two hundred forty".