172141022 has 4 divisors (see below), whose sum is σ = 258211536. Its totient is φ = 86070510.

The previous prime is 172141019. The next prime is 172141027. The reversal of 172141022 is 220141271.

172141022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 172140985 and 172141003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172141027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43035254 + ... + 43035257.

It is an arithmetic number, because the mean of its divisors is an integer number (64552884).

Almost surely, 2^172141022 is an apocalyptic number.

172141022 is a deficient number, since it is larger than the sum of its proper divisors (86070514).

172141022 is an equidigital number, since it uses as much as digits as its factorization.

172141022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86070513.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 172141022 is about 13120.2523603778. The cubic root of 172141022 is about 556.2817245383.

Adding to 172141022 its reverse (220141271), we get a palindrome (392282293).

The spelling of 172141022 in words is "one hundred seventy-two million, one hundred forty-one thousand, twenty-two".