172442206 has 16 divisors (see below), whose sum is σ = 263911824. Its totient is φ = 84487104.

The previous prime is 172442167. The next prime is 172442213. The reversal of 172442206 is 602244271.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19161 + ... + 26683.

It is an arithmetic number, because the mean of its divisors is an integer number (16494489).

Almost surely, 2^172442206 is an apocalyptic number.

172442206 is a deficient number, since it is larger than the sum of its proper divisors (91469618).

172442206 is a wasteful number, since it uses less digits than its factorization.

172442206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 172442206 is about 13131.7251722689. The cubic root of 172442206 is about 556.6059655486.

Adding to 172442206 its reverse (602244271), we get a palindrome (774686477).

The spelling of 172442206 in words is "one hundred seventy-two million, four hundred forty-two thousand, two hundred six".