172825226 has 16 divisors (see below), whose sum is σ = 298437696. Its totient is φ = 73526496.

The previous prime is 172825207. The next prime is 172825231. The reversal of 172825226 is 622528271.

172825226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43136 + ... + 46971.

It is an arithmetic number, because the mean of its divisors is an integer number (18652356).

Almost surely, 2^172825226 is an apocalyptic number.

172825226 is a deficient number, since it is larger than the sum of its proper divisors (125612470).

172825226 is a wasteful number, since it uses less digits than its factorization.

172825226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90253.

The product of its digits is 26880, while the sum is 35.

The square root of 172825226 is about 13146.3008485277. The cubic root of 172825226 is about 557.0177625851.

The spelling of 172825226 in words is "one hundred seventy-two million, eight hundred twenty-five thousand, two hundred twenty-six".