172422675 has 30 divisors (see below), whose sum is σ = 319390148. Its totient is φ = 91957680.

The previous prime is 172422673. The next prime is 172422683. The reversal of 172422675 is 576224271.

It is a happy number.

172422675 is a `hidden beast` number, since 172 + 422 + 67 + 5 = 666.

172422675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172422675 - 2¹ = 172422673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172422673) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 40549 + ... + 44598.

Almost surely, 2^172422675 is an apocalyptic number.

172422675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172422675 is a deficient number, since it is larger than the sum of its proper divisors (146967473).

172422675 is an equidigital number, since it uses as much as digits as its factorization.

172422675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85169 (or 85155 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 172422675 is about 13130.9814941611. The cubic root of 172422675 is about 556.5849508140.

The spelling of 172422675 in words is "one hundred seventy-two million, four hundred twenty-two thousand, six hundred seventy-five".