422326406 has 4 divisors (see below), whose sum is σ = 633489612. Its totient is φ = 211163202.

The previous prime is 422326381. The next prime is 422326409. The reversal of 422326406 is 604623224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422326409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105581600 + ... + 105581603.

It is an arithmetic number, because the mean of its divisors is an integer number (158372403).

Almost surely, 2^422326406 is an apocalyptic number.

422326406 is a deficient number, since it is larger than the sum of its proper divisors (211163206).

422326406 is a wasteful number, since it uses less digits than its factorization.

422326406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211163205.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 422326406 is about 20550.5816462698. The cubic root of 422326406 is about 750.2674045003.

The spelling of 422326406 in words is "four hundred twenty-two million, three hundred twenty-six thousand, four hundred six".