172422573 has 8 divisors (see below), whose sum is σ = 230901600. Its totient is φ = 114445968.

The previous prime is 172422571. The next prime is 172422611. The reversal of 172422573 is 375224271.

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

It is not a de Polignac number, because 172422573 - 2¹ = 172422571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172422571) 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, 124803 + ... + 126176.

It is an arithmetic number, because the mean of its divisors is an integer number (28862700).

Almost surely, 2^172422573 is an apocalyptic number.

It is an amenable number.

172422573 is a deficient number, since it is larger than the sum of its proper divisors (58479027).

172422573 is a wasteful number, since it uses less digits than its factorization.

172422573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251211.

The product of its digits is 23520, while the sum is 33.

The square root of 172422573 is about 13130.9776102162. The cubic root of 172422573 is about 556.5848410611.

The spelling of 172422573 in words is "one hundred seventy-two million, four hundred twenty-two thousand, five hundred seventy-three".