422613873 has 24 divisors (see below), whose sum is σ = 677233440. Its totient is φ = 251784960.

The previous prime is 422613871. The next prime is 422613881. The reversal of 422613873 is 378316224.

It is a happy number.

It is not a de Polignac number, because 422613873 - 2¹ = 422613871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422613871) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30336 + ... + 42017.

It is an arithmetic number, because the mean of its divisors is an integer number (28218060).

Almost surely, 2^422613873 is an apocalyptic number.

It is an amenable number.

422613873 is a deficient number, since it is larger than the sum of its proper divisors (254619567).

422613873 is a wasteful number, since it uses less digits than its factorization.

422613873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72429 (or 72426 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 422613873 is about 20557.5745894305. The cubic root of 422613873 is about 750.4375952975.

The spelling of 422613873 in words is "four hundred twenty-two million, six hundred thirteen thousand, eight hundred seventy-three".