422334121240 has 64 divisors (see below), whose sum is σ = 985125304800. Its totient is φ = 162758873088.

The previous prime is 422334121229. The next prime is 422334121241. The reversal of 422334121240 is 42121433224.

It is a super-2 number, since 2×422334121240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422334121199 and 422334121208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422334121241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151912 + ... + 931528.

Almost surely, 2^422334121240 is an apocalyptic number.

422334121240 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 422334121240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492562652400).

422334121240 is an abundant number, since it is smaller than the sum of its proper divisors (562791183560).

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

422334121240 is a wasteful number, since it uses less digits than its factorization.

422334121240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780124 (or 780120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 422334121240 its reverse (42121433224), we get a palindrome (464455554464).

The spelling of 422334121240 in words is "four hundred twenty-two billion, three hundred thirty-four million, one hundred twenty-one thousand, two hundred forty".