422323143398 has 16 divisors (see below), whose sum is σ = 682228446480. Its totient is φ = 194914334496.

The previous prime is 422323143391. The next prime is 422323143401. The reversal of 422323143398 is 893341323224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422323143391) 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 7 ways as a sum of consecutive naturals, for example, 1378736 + ... + 1656972.

It is an arithmetic number, because the mean of its divisors is an integer number (42639277905).

Almost surely, 2^422323143398 is an apocalyptic number.

422323143398 is a deficient number, since it is larger than the sum of its proper divisors (259905303082).

422323143398 is a wasteful number, since it uses less digits than its factorization.

422323143398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336631.

The product of its digits is 746496, while the sum is 44.

The spelling of 422323143398 in words is "four hundred twenty-two billion, three hundred twenty-three million, one hundred forty-three thousand, three hundred ninety-eight".