422222422240 has 48 divisors (see below), whose sum is σ = 1008708377040. Its totient is φ = 166991334400.

The previous prime is 422222422211. The next prime is 422222422261. The reversal of 422222422240 is 42224222224.

It is a junction number, because it is equal to n+sod(n) for n = 422222422199 and 422222422208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14810986 + ... + 14839465.

It is an arithmetic number, because the mean of its divisors is an integer number (21014757855).

Almost surely, 2^422222422240 is an apocalyptic number.

422222422240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422222422240 is an abundant number, since it is smaller than the sum of its proper divisors (586485954800).

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

422222422240 is a wasteful number, since it uses less digits than its factorization.

422222422240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29650555 (or 29650547 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 422222422240 its reverse (42224222224), we get a palindrome (464446644464).

The spelling of 422222422240 in words is "four hundred twenty-two billion, two hundred twenty-two million, four hundred twenty-two thousand, two hundred forty".