422321244140 has 48 divisors (see below), whose sum is σ = 916427602944. Its totient is φ = 163310596800.

The previous prime is 422321244097. The next prime is 422321244181. The reversal of 422321244140 is 41442123224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251267 + ... + 952773.

It is an arithmetic number, because the mean of its divisors is an integer number (19092241728).

Almost surely, 2^422321244140 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 422321244140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458213801472).

422321244140 is an abundant number, since it is smaller than the sum of its proper divisors (494106358804).

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

422321244140 is a wasteful number, since it uses less digits than its factorization.

422321244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702518 (or 702516 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 422321244140 its reverse (41442123224), we get a palindrome (463763367364).

The spelling of 422321244140 in words is "four hundred twenty-two billion, three hundred twenty-one million, two hundred forty-four thousand, one hundred forty".