172873022 has 8 divisors (see below), whose sum is σ = 296353776. Its totient is φ = 74088432.

The previous prime is 172872989. The next prime is 172873027. The reversal of 172873022 is 220378271.

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

It is a self number, because there is not a number n which added to its sum of digits gives 172873022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172873027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6174023 + ... + 6174050.

It is an arithmetic number, because the mean of its divisors is an integer number (37044222).

Almost surely, 2^172873022 is an apocalyptic number.

172873022 is a deficient number, since it is larger than the sum of its proper divisors (123480754).

172873022 is a wasteful number, since it uses less digits than its factorization.

172873022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348082.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 172873022 is about 13148.1185726324. The cubic root of 172873022 is about 557.0691068780.

The spelling of 172873022 in words is "one hundred seventy-two million, eight hundred seventy-three thousand, twenty-two".