422444022440 has 32 divisors (see below), whose sum is σ = 1036908056160. Its totient is φ = 153616008000.

The previous prime is 422444022433. The next prime is 422444022479. The reversal of 422444022440 is 44220444224.

It is a junction number, because it is equal to n+sod(n) for n = 422444022397 and 422444022406.

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, 480049586 + ... + 480050465.

It is an arithmetic number, because the mean of its divisors is an integer number (32403376755).

Almost surely, 2^422444022440 is an apocalyptic number.

422444022440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422444022440 is an abundant number, since it is smaller than the sum of its proper divisors (614464033720).

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

422444022440 is a wasteful number, since it uses less digits than its factorization.

422444022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960100073 (or 960100069 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 422444022440 its reverse (44220444224), we get a palindrome (466664466664).

The spelling of 422444022440 in words is "four hundred twenty-two billion, four hundred forty-four million, twenty-two thousand, four hundred forty".