172044211 has 12 divisors (see below), whose sum is σ = 179453872. Its totient is φ = 164926944.

The previous prime is 172044179. The next prime is 172044227. The reversal of 172044211 is 112440271.

172044211 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 172044211 - 2⁵ = 172044179 is a prime.

It is a super-2 number, since 2×172044211² = 59198421077225042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172044251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131386 + ... + 132688.

Almost surely, 2^172044211 is an apocalyptic number.

172044211 is a deficient number, since it is larger than the sum of its proper divisors (7409661).

172044211 is a wasteful number, since it uses less digits than its factorization.

172044211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 172044211 is about 13116.5624688788. The cubic root of 172044211 is about 556.1774218987.

Adding to 172044211 its reverse (112440271), we get a palindrome (284484482).

The spelling of 172044211 in words is "one hundred seventy-two million, forty-four thousand, two hundred eleven".