422706613788 has 36 divisors (see below), whose sum is σ = 1068570161568. Its totient is φ = 140894058240.

The previous prime is 422706613787. The next prime is 422706613801. The reversal of 422706613788 is 887316607224.

422706613788 is a `hidden beast` number, since 422 + 7 + 0 + 6 + 6 + 137 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422706613787) 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, 308845 + ... + 969947.

It is an arithmetic number, because the mean of its divisors is an integer number (29682504488).

Almost surely, 2^422706613788 is an apocalyptic number.

It is an amenable number.

422706613788 is an abundant number, since it is smaller than the sum of its proper divisors (645863547780).

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

422706613788 is a wasteful number, since it uses less digits than its factorization.

422706613788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678874 (or 678869 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 422706613788 in words is "four hundred twenty-two billion, seven hundred six million, six hundred thirteen thousand, seven hundred eighty-eight".