9172236244900 has 27 divisors (see below), whose sum is σ = 19903818371619. Its totient is φ = 3668882383680.

The previous prime is 9172236244883. The next prime is 9172236244961. The reversal of 9172236244900 is 94426322719.

It is a happy number.

The square root of 9172236244900 is 3028570.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 303704596836 + 8868531648064 = 551094^2 + 2978008^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30134272 + ... + 30437128.

Almost surely, 2^{9172236244900} is an apocalyptic number.

9172236244900 is the 3028570-th square number.

It is an amenable number.

9172236244900 is an abundant number, since it is smaller than the sum of its proper divisors (10731582126719).

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

9172236244900 is an frugal number, since it uses more digits than its factorization.

9172236244900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605728 (or 302864 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

Multiplying 9172236244900 by its sum of digits (49), we get a square (449439576000100 = 21199990²).

The spelling of 9172236244900 in words is "nine trillion, one hundred seventy-two billion, two hundred thirty-six million, two hundred forty-four thousand, nine hundred".