422007777 has 12 divisors (see below), whose sum is σ = 609807744. Its totient is φ = 281227320.

The previous prime is 422007769. The next prime is 422007791. The reversal of 422007777 is 777700224.

It is not a de Polignac number, because 422007777 - 2³ = 422007769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422007737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19452 + ... + 34962.

It is an arithmetic number, because the mean of its divisors is an integer number (50817312).

Almost surely, 2^422007777 is an apocalyptic number.

It is an amenable number.

422007777 is a deficient number, since it is larger than the sum of its proper divisors (187799967).

422007777 is a wasteful number, since it uses less digits than its factorization.

422007777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18540 (or 18537 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 422007777 is about 20542.8278725204. The cubic root of 422007777 is about 750.0786744135.

The spelling of 422007777 in words is "four hundred twenty-two million, seven thousand, seven hundred seventy-seven".