172224656734 has 32 divisors (see below), whose sum is σ = 282207784320. Its totient is φ = 78349220352.

The previous prime is 172224656689. The next prime is 172224656741. The reversal of 172224656734 is 437656422271.

172224656734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172224656734² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147324 + ... + 1288720.

It is an arithmetic number, because the mean of its divisors is an integer number (8818993260).

Almost surely, 2^172224656734 is an apocalyptic number.

172224656734 is a deficient number, since it is larger than the sum of its proper divisors (109983127586).

172224656734 is a wasteful number, since it uses less digits than its factorization.

172224656734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142084.

The product of its digits is 3386880, while the sum is 49.

The spelling of 172224656734 in words is "one hundred seventy-two billion, two hundred twenty-four million, six hundred fifty-six thousand, seven hundred thirty-four".