422323488728 has 32 divisors (see below), whose sum is σ = 813471446160. Its totient is φ = 205400764800.

The previous prime is 422323488689. The next prime is 422323488749. The reversal of 422323488728 is 827884323224.

It is a self number, because there is not a number n which added to its sum of digits gives 422323488728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954650 + ... + 1325142.

Almost surely, 2^422323488728 is an apocalyptic number.

It is an amenable number.

422323488728 is a deficient number, since it is larger than the sum of its proper divisors (391147957432).

422323488728 is a wasteful number, since it uses less digits than its factorization.

422323488728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374387 (or 374383 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 53.

The spelling of 422323488728 in words is "four hundred twenty-two billion, three hundred twenty-three million, four hundred eighty-eight thousand, seven hundred twenty-eight".