22210332031200 has 144 divisors (see below), whose sum is σ = 72353083950000. Its totient is φ = 5917966417920.

The previous prime is 22210332031169. The next prime is 22210332031243. The reversal of 22210332031200 is 213023301222.

It is a happy number.

It is a super-2 number, since 2×22210332031200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 771825 + ... + 6709424.

It is an arithmetic number, because the mean of its divisors is an integer number (502451971875).

Almost surely, 2^{22210332031200} is an apocalyptic number.

22210332031200 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 22210332031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36176541975000).

22210332031200 is an abundant number, since it is smaller than the sum of its proper divisors (50142751918800).

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

22210332031200 is a wasteful number, since it uses less digits than its factorization.

22210332031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482509 (or 7482496 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22210332031200 its reverse (213023301222), we get a palindrome (22423355332422).

The spelling of 22210332031200 in words is "twenty-two trillion, two hundred ten billion, three hundred thirty-two million, thirty-one thousand, two hundred".