422946825 has 48 divisors (see below), whose sum is σ = 846195840. Its totient is φ = 181969920.

The previous prime is 422946773. The next prime is 422946827. The reversal of 422946825 is 528649224.

It is not a de Polignac number, because 422946825 - 2⁹ = 422946313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422946827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14770 + ... + 32619.

It is an arithmetic number, because the mean of its divisors is an integer number (17629080).

Almost surely, 2^422946825 is an apocalyptic number.

It is an amenable number.

422946825 is an abundant number, since it is smaller than the sum of its proper divisors (423249015).

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

422946825 is a wasteful number, since it uses less digits than its factorization.

422946825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47426 (or 47421 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 422946825 is about 20565.6710320865. The cubic root of 422946825 is about 750.6346184167.

The spelling of 422946825 in words is "four hundred twenty-two million, nine hundred forty-six thousand, eight hundred twenty-five".