422820916 has 12 divisors (see below), whose sum is σ = 845641888. Its totient is φ = 181208952.

The previous prime is 422820911. The next prime is 422820943. The reversal of 422820916 is 619028224.

422820916 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422820911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7550346 + ... + 7550401.

Almost surely, 2^422820916 is an apocalyptic number.

It is an amenable number.

422820916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422820916 is a wasteful number, since it uses less digits than its factorization.

422820916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15100758 (or 15100756 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 422820916 is about 20562.6096592821. The cubic root of 422820916 is about 750.5601243916.

The spelling of 422820916 in words is "four hundred twenty-two million, eight hundred twenty thousand, nine hundred sixteen".