422351730 has 24 divisors (see below), whose sum is σ = 1098114732. Its totient is φ = 112627104.

The previous prime is 422351717. The next prime is 422351749. The reversal of 422351730 is 37153224.

It can be written as a sum of positive squares in 2 ways, for example, as 371756961 + 50594769 = 19281^2 + 7113^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422351694 and 422351703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2346309 + ... + 2346488.

Almost surely, 2^422351730 is an apocalyptic number.

422351730 is an abundant number, since it is smaller than the sum of its proper divisors (675763002).

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

422351730 is a wasteful number, since it uses less digits than its factorization.

422351730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692810 (or 4692807 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 422351730 is about 20551.1977753123. The cubic root of 422351730 is about 750.2824003201.

The spelling of 422351730 in words is "four hundred twenty-two million, three hundred fifty-one thousand, seven hundred thirty".