422525554242 has 128 divisors (see below), whose sum is σ = 959788569600. Its totient is φ = 122831520000.

The previous prime is 422525554207. The next prime is 422525554301. The reversal of 422525554242 is 242455525224.

It is a junction number, because it is equal to n+sod(n) for n = 422525554194 and 422525554203.

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, 267589809 + ... + 267591387.

It is an arithmetic number, because the mean of its divisors is an integer number (7498348200).

Almost surely, 2^422525554242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422525554242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479894284800).

422525554242 is an abundant number, since it is smaller than the sum of its proper divisors (537263015358).

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

422525554242 is a wasteful number, since it uses less digits than its factorization.

422525554242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its digits is 1280000, while the sum is 42.

The spelling of 422525554242 in words is "four hundred twenty-two billion, five hundred twenty-five million, five hundred fifty-four thousand, two hundred forty-two".