422170073 has 8 divisors (see below), whose sum is σ = 455585088. Its totient is φ = 388889424.

The previous prime is 422170019. The next prime is 422170097. The reversal of 422170073 is 370071224.

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 422170073 - 2⁸ = 422169817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422170013) 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, 27011 + ... + 39672.

It is an arithmetic number, because the mean of its divisors is an integer number (56948136).

Almost surely, 2^422170073 is an apocalyptic number.

It is an amenable number.

422170073 is a deficient number, since it is larger than the sum of its proper divisors (33415015).

422170073 is a wasteful number, since it uses less digits than its factorization.

422170073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67183.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 422170073 is about 20546.7776792372. Note that the first 3 decimals coincide. The cubic root of 422170073 is about 750.1748173228.

The spelling of 422170073 in words is "four hundred twenty-two million, one hundred seventy thousand, seventy-three".