422155173 has 8 divisors (see below), whose sum is σ = 614043936. Its totient is φ = 255851600.

The previous prime is 422155127. The next prime is 422155177. The reversal of 422155173 is 371551224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422155173 - 2⁶ = 422155109 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 422155173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422155177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6396258 + ... + 6396323.

It is an arithmetic number, because the mean of its divisors is an integer number (76755492).

Almost surely, 2^422155173 is an apocalyptic number.

It is an amenable number.

422155173 is a deficient number, since it is larger than the sum of its proper divisors (191888763).

422155173 is a wasteful number, since it uses less digits than its factorization.

422155173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12792595.

The product of its digits is 8400, while the sum is 30.

The square root of 422155173 is about 20546.4150887691. The cubic root of 422155173 is about 750.1659917041.

The spelling of 422155173 in words is "four hundred twenty-two million, one hundred fifty-five thousand, one hundred seventy-three".