422657082 has 64 divisors (see below), whose sum is σ = 957640320. Its totient is φ = 138153600.

The previous prime is 422657063. The next prime is 422657089. The reversal of 422657082 is 280756224.

422657082 is a `hidden beast` number, since 4 + 2 + 2 + 6 + 570 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (422657089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810982 + ... + 811502.

It is an arithmetic number, because the mean of its divisors is an integer number (14963130).

Almost surely, 2^422657082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422657082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478820160).

422657082 is an abundant number, since it is smaller than the sum of its proper divisors (534983238).

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

422657082 is a wasteful number, since it uses less digits than its factorization.

422657082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 422657082 is about 20558.6254890739. The cubic root of 422657082 is about 750.4631699060.

The spelling of 422657082 in words is "four hundred twenty-two million, six hundred fifty-seven thousand, eighty-two".