422440220042 has 16 divisors (see below), whose sum is σ = 636017740800. Its totient is φ = 210434474448.

The previous prime is 422440219997. The next prime is 422440220071. The reversal of 422440220042 is 240022044224.

It is a junction number, because it is equal to n+sod(n) for n = 422440219993 and 422440220020.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5724383 + ... + 5797709.

It is an arithmetic number, because the mean of its divisors is an integer number (39751108800).

Almost surely, 2^422440220042 is an apocalyptic number.

422440220042 is a deficient number, since it is larger than the sum of its proper divisors (213577520758).

422440220042 is a wasteful number, since it uses less digits than its factorization.

422440220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84005.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 422440220042 its reverse (240022044224), we get a palindrome (662462264266).

The spelling of 422440220042 in words is "four hundred twenty-two billion, four hundred forty million, two hundred twenty thousand, forty-two".