422002220440 has 64 divisors (see below), whose sum is σ = 955002591360. Its totient is φ = 167826193920.

The previous prime is 422002220377. The next prime is 422002220449. The reversal of 422002220440 is 44022200224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422002220449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5088910 + ... + 5171170.

It is an arithmetic number, because the mean of its divisors is an integer number (14921915490).

Almost surely, 2^422002220440 is an apocalyptic number.

422002220440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422002220440 is an abundant number, since it is smaller than the sum of its proper divisors (533000370920).

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

422002220440 is a wasteful number, since it uses less digits than its factorization.

422002220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83012 (or 83008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 422002220440 its reverse (44022200224), we get a palindrome (466024420664).

The spelling of 422002220440 in words is "four hundred twenty-two billion, two million, two hundred twenty thousand, four hundred forty".