172230678822 has 32 divisors (see below), whose sum is σ = 347166399744. Its totient is φ = 56960316000.

The previous prime is 172230678821. The next prime is 172230678853. The reversal of 172230678822 is 228876032271.

172230678822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172230678821) by changing a digit.

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, 628053 + ... + 859599.

It is an arithmetic number, because the mean of its divisors is an integer number (10848949992).

Almost surely, 2^172230678822 is an apocalyptic number.

172230678822 is an abundant number, since it is smaller than the sum of its proper divisors (174935720922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172230678822 is a wasteful number, since it uses less digits than its factorization.

172230678822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232524.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 172230678822 in words is "one hundred seventy-two billion, two hundred thirty million, six hundred seventy-eight thousand, eight hundred twenty-two".