422121140430 has 32 divisors (see below), whose sum is σ = 1105189895808. Its totient is φ = 102332397600.

The previous prime is 422121140377. The next prime is 422121140437. The reversal of 422121140430 is 34041121224.

It is a self number, because there is not a number n which added to its sum of digits gives 422121140430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422121140437) 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, 639577156 + ... + 639577815.

It is an arithmetic number, because the mean of its divisors is an integer number (34537184244).

Almost surely, 2^422121140430 is an apocalyptic number.

422121140430 is an abundant number, since it is smaller than the sum of its proper divisors (683068755378).

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

422121140430 is a wasteful number, since it uses less digits than its factorization.

422121140430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279154992.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 422121140430 its reverse (34041121224), we get a palindrome (456162261654).

The spelling of 422121140430 in words is "four hundred twenty-two billion, one hundred twenty-one million, one hundred forty thousand, four hundred thirty".