22131002300 has 144 divisors (see below), whose sum is σ = 54613837824. Its totient is φ = 7711200000.

The previous prime is 22131002287. The next prime is 22131002317. The reversal of 22131002300 is 320013122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3509150 + ... + 3515450.

Almost surely, 2^22131002300 is an apocalyptic number.

22131002300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22131002300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27306918912).

22131002300 is an abundant number, since it is smaller than the sum of its proper divisors (32482835524).

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

22131002300 is a wasteful number, since it uses less digits than its factorization.

22131002300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6460 (or 6453 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22131002300 its reverse (320013122), we get a palindrome (22451015422).

The spelling of 22131002300 in words is "twenty-two billion, one hundred thirty-one million, two thousand, three hundred".