172226411 has 16 divisors (see below), whose sum is σ = 200164608. Its totient is φ = 145140000.

The previous prime is 172226401. The next prime is 172226423. The reversal of 172226411 is 114622271.

It is a cyclic number.

It is not a de Polignac number, because 172226411 - 2⁶ = 172226347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172226401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145241 + ... + 146421.

It is an arithmetic number, because the mean of its divisors is an integer number (12510288).

Almost surely, 2^172226411 is an apocalyptic number.

172226411 is a deficient number, since it is larger than the sum of its proper divisors (27938197).

172226411 is a wasteful number, since it uses less digits than its factorization.

172226411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 1344, while the sum is 26.

The square root of 172226411 is about 13123.5060483089. The cubic root of 172226411 is about 556.3736888432.

Adding to 172226411 its reverse (114622271), we get a palindrome (286848682).

The spelling of 172226411 in words is "one hundred seventy-two million, two hundred twenty-six thousand, four hundred eleven".