422357166 has 160 divisors (see below), whose sum is σ = 1205740800. Its totient is φ = 109544400.

The previous prime is 422357149. The next prime is 422357167. The reversal of 422357166 is 661753224.

422357166 is a `hidden beast` number, since 4 + 2 + 23 + 571 + 66 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 422357166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422357167) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 610881 + ... + 611571.

It is an arithmetic number, because the mean of its divisors is an integer number (7535880).

Almost surely, 2^422357166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422357166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602870400).

422357166 is an abundant number, since it is smaller than the sum of its proper divisors (783383634).

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

422357166 is a wasteful number, since it uses less digits than its factorization.

422357166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 714 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 422357166 is about 20551.3300299518. The cubic root of 422357166 is about 750.2856192151.

The spelling of 422357166 in words is "four hundred twenty-two million, three hundred fifty-seven thousand, one hundred sixty-six".