172466226 has 32 divisors (see below), whose sum is σ = 384456000. Its totient is φ = 57309120.

The previous prime is 172466221. The next prime is 172466233. The reversal of 172466226 is 622664271.

172466226 is a `hidden beast` number, since 1 + 7 + 24 + 6 + 622 + 6 = 666.

It is a super-2 number, since 2×172466226² = 59489198221366152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172466221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13050 + ... + 22698.

It is an arithmetic number, because the mean of its divisors is an integer number (12014250).

Almost surely, 2^172466226 is an apocalyptic number.

172466226 is an abundant number, since it is smaller than the sum of its proper divisors (211989774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172466226 is a wasteful number, since it uses less digits than its factorization.

172466226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9991 (or 9985 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 172466226 is about 13132.6397194167. The cubic root of 172466226 is about 556.6318081287.

The spelling of 172466226 in words is "one hundred seventy-two million, four hundred sixty-six thousand, two hundred twenty-six".