422023342144 has 28 divisors (see below), whose sum is σ = 837645331564. Its totient is φ = 210963101184.

The previous prime is 422023342141. The next prime is 422023342163. The reversal of 422023342144 is 441243320224.

It can be written as a sum of positive squares in 2 ways, for example, as 411804558400 + 10218783744 = 641720^2 + 101088^2 .

It is not an unprimeable number, because it can be changed into a prime (422023342141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477879 + ... + 1035574.

Almost surely, 2^422023342144 is an apocalyptic number.

It is an amenable number.

422023342144 is a deficient number, since it is larger than the sum of its proper divisors (415621989420).

422023342144 is a wasteful number, since it uses less digits than its factorization.

422023342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517822 (or 1517812 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 422023342144 its reverse (441243320224), we get a palindrome (863266662368).

The spelling of 422023342144 in words is "four hundred twenty-two billion, twenty-three million, three hundred forty-two thousand, one hundred forty-four".