422400140444 has 24 divisors (see below), whose sum is σ = 760040589168. Its totient is φ = 205258648320.

The previous prime is 422400140419. The next prime is 422400140447. The reversal of 422400140444 is 444041004224.

It is a super-2 number, since 2×422400140444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422400140447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489394 + ... + 1750169.

It is an arithmetic number, because the mean of its divisors is an integer number (31668357882).

Almost surely, 2^422400140444 is an apocalyptic number.

It is an amenable number.

422400140444 is a deficient number, since it is larger than the sum of its proper divisors (337640448724).

422400140444 is a wasteful number, since it uses less digits than its factorization.

422400140444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240485 (or 3240483 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 422400140444 its reverse (444041004224), we get a palindrome (866441144668).

The spelling of 422400140444 in words is "four hundred twenty-two billion, four hundred million, one hundred forty thousand, four hundred forty-four".