422945432 has 32 divisors (see below), whose sum is σ = 976029600. Its totient is φ = 167318784.

The previous prime is 422945423. The next prime is 422945449. The reversal of 422945432 is 234549224.

It is a junction number, because it is equal to n+sod(n) for n = 422945392 and 422945401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289757 + ... + 291212.

It is an arithmetic number, because the mean of its divisors is an integer number (30500925).

Almost surely, 2^422945432 is an apocalyptic number.

It is an amenable number.

422945432 is an abundant number, since it is smaller than the sum of its proper divisors (553084168).

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

422945432 is a wasteful number, since it uses less digits than its factorization.

422945432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580995 (or 580991 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 422945432 is about 20565.6371649409. The cubic root of 422945432 is about 750.6337943295.

The spelling of 422945432 in words is "four hundred twenty-two million, nine hundred forty-five thousand, four hundred thirty-two".