22131223443300 has 72 divisors (see below), whose sum is σ = 64055390317632. Its totient is φ = 5899596560000.

The previous prime is 22131223443299. The next prime is 22131223443319. The reversal of 22131223443300 is 334432213122.

It is a happy number.

It is a super-3 number, since 3×22131223443300³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12034176 + ... + 13750775.

It is an arithmetic number, because the mean of its divisors is an integer number (889658198856).

Almost surely, 2^{22131223443300} is an apocalyptic number.

22131223443300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131223443300 is an abundant number, since it is smaller than the sum of its proper divisors (41924166874332).

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

22131223443300 is a wasteful number, since it uses less digits than its factorization.

22131223443300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25787829 (or 25787822 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 22131223443300 its reverse (334432213122), we get a palindrome (22465655656422).

The spelling of 22131223443300 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred twenty-three million, four hundred forty-three thousand, three hundred".