422165398473 has 128 divisors (see below), whose sum is σ = 787291008000. Its totient is φ = 222164425728.

The previous prime is 422165398451. The next prime is 422165398489. The reversal of 422165398473 is 374893561224.

422165398473 is a `hidden beast` number, since 4 + 2 + 2 + 165 + 3 + 9 + 8 + 473 = 666.

It is not a de Polignac number, because 422165398473 - 2⁹ = 422165397961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422165398423) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 55015765 + ... + 55023437.

It is an arithmetic number, because the mean of its divisors is an integer number (6150711000).

Almost surely, 2^422165398473 is an apocalyptic number.

It is an amenable number.

422165398473 is a deficient number, since it is larger than the sum of its proper divisors (365125609527).

422165398473 is a wasteful number, since it uses less digits than its factorization.

422165398473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173 (or 8153 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 422165398473 in words is "four hundred twenty-two billion, one hundred sixty-five million, three hundred ninety-eight thousand, four hundred seventy-three".