422384390338 has 4 divisors (see below), whose sum is σ = 633576585510. Its totient is φ = 211192195168.

The previous prime is 422384390293. The next prime is 422384390339. The reversal of 422384390338 is 833093483224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 408324834009 + 14059556329 = 639003^2 + 118573^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 422384390291 and 422384390300.

It is not an unprimeable number, because it can be changed into a prime (422384390339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105596097583 + ... + 105596097586.

Almost surely, 2^422384390338 is an apocalyptic number.

422384390338 is a deficient number, since it is larger than the sum of its proper divisors (211192195172).

422384390338 is a wasteful number, since it uses less digits than its factorization.

422384390338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211192195171.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 422384390338 in words is "four hundred twenty-two billion, three hundred eighty-four million, three hundred ninety thousand, three hundred thirty-eight".