222130021300 has 108 divisors (see below), whose sum is σ = 533205243340. Its totient is φ = 80259379200.

The previous prime is 222130021247. The next prime is 222130021319. The reversal of 222130021300 is 3120031222.

It can be written as a sum of positive squares in 6 ways, for example, as 5134295716 + 216995725584 = 71654^2 + 465828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1841236 + ... + 1958164.

Almost surely, 2^222130021300 is an apocalyptic number.

222130021300 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 222130021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266602621670).

222130021300 is an abundant number, since it is smaller than the sum of its proper divisors (311075222040).

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

222130021300 is a wasteful number, since it uses less digits than its factorization.

222130021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117122 (or 117104 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 222130021300 its reverse (3120031222), we get a palindrome (225250052522).

The spelling of 222130021300 in words is "two hundred twenty-two billion, one hundred thirty million, twenty-one thousand, three hundred".