422004172145 has 32 divisors (see below), whose sum is σ = 536749804800. Its totient is φ = 317965826304.

The previous prime is 422004172123. The next prime is 422004172159. The reversal of 422004172145 is 541271400224.

It is a cyclic number.

It is not a de Polignac number, because 422004172145 - 2¹⁴ = 422004155761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4775876 + ... + 4863434.

It is an arithmetic number, because the mean of its divisors is an integer number (16773431400).

Almost surely, 2^422004172145 is an apocalyptic number.

It is an amenable number.

422004172145 is a deficient number, since it is larger than the sum of its proper divisors (114745632655).

422004172145 is a wasteful number, since it uses less digits than its factorization.

422004172145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88409.

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 422004172145 its reverse (541271400224), we get a palindrome (963275572369).

The spelling of 422004172145 in words is "four hundred twenty-two billion, four million, one hundred seventy-two thousand, one hundred forty-five".