422214013540 has 192 divisors, whose sum is σ = 991710720000. Its totient is φ = 149715371520.

The previous prime is 422214013511. The next prime is 422214013589. The reversal of 422214013540 is 45310412224.

It is a junction number, because it is equal to n+sod(n) for n = 422214013499 and 422214013508.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 491517631 + ... + 491518489.

It is an arithmetic number, because the mean of its divisors is an integer number (5165160000).

Almost surely, 2^422214013540 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 422214013540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495855360000).

422214013540 is an abundant number, since it is smaller than the sum of its proper divisors (569496706460).

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

422214013540 is a wasteful number, since it uses less digits than its factorization.

422214013540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 422214013540 its reverse (45310412224), we get a palindrome (467524425764).

The spelling of 422214013540 in words is "four hundred twenty-two billion, two hundred fourteen million, thirteen thousand, five hundred forty".