172229534 has 8 divisors (see below), whose sum is σ = 264352440. Its totient is φ = 84112056.

The previous prime is 172229527. The next prime is 172229537. The reversal of 172229534 is 435922271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172229494 and 172229503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172229537) 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 3 ways as a sum of consecutive naturals, for example, 1001249 + ... + 1001420.

It is an arithmetic number, because the mean of its divisors is an integer number (33044055).

Almost surely, 2^172229534 is an apocalyptic number.

172229534 is a deficient number, since it is larger than the sum of its proper divisors (92122906).

172229534 is a wasteful number, since it uses less digits than its factorization.

172229534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002714.

The product of its digits is 30240, while the sum is 35.

The square root of 172229534 is about 13123.6250327415. The cubic root of 172229534 is about 556.3770517508.

The spelling of 172229534 in words is "one hundred seventy-two million, two hundred twenty-nine thousand, five hundred thirty-four".