422220440444 has 48 divisors (see below), whose sum is σ = 810607392000. Its totient is φ = 190836201600.

The previous prime is 422220440441. The next prime is 422220440491. The reversal of 422220440444 is 444044022224.

It is a self number, because there is not a number n which added to its sum of digits gives 422220440444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422220440441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15055067 + ... + 15083085.

It is an arithmetic number, because the mean of its divisors is an integer number (16887654000).

Almost surely, 2^422220440444 is an apocalyptic number.

422220440444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

422220440444 is a deficient number, since it is larger than the sum of its proper divisors (388386951556).

422220440444 is a wasteful number, since it uses less digits than its factorization.

422220440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29954 (or 29952 counting only the distinct ones).

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

Adding to 422220440444 its reverse (444044022224), we get a palindrome (866264462668).

The spelling of 422220440444 in words is "four hundred twenty-two billion, two hundred twenty million, four hundred forty thousand, four hundred forty-four".