422766338 has 4 divisors (see below), whose sum is σ = 634149510. Its totient is φ = 211383168.

The previous prime is 422766301. The next prime is 422766349. The reversal of 422766338 is 833667224.

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., 329894569 + 92871769 = 18163^2 + 9637^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422766295 and 422766304.

It is an unprimeable number.

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, 105691583 + ... + 105691586.

Almost surely, 2^422766338 is an apocalyptic number.

422766338 is a deficient number, since it is larger than the sum of its proper divisors (211383172).

422766338 is a wasteful number, since it uses less digits than its factorization.

422766338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211383171.

The product of its digits is 290304, while the sum is 41.

The square root of 422766338 is about 20561.2824989104. The cubic root of 422766338 is about 750.5278287383.

The spelling of 422766338 in words is "four hundred twenty-two million, seven hundred sixty-six thousand, three hundred thirty-eight".