22221043332210 has 96 divisors (see below), whose sum is σ = 58289014817280. Its totient is φ = 5872868058624.

The previous prime is 22221043332209. The next prime is 22221043332217. The reversal of 22221043332210 is 1223334012222.

22221043332210 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 1 + 0 + 433 + 3 + 221 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (22221043332217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250737727 + ... + 250826333.

It is an arithmetic number, because the mean of its divisors is an integer number (607177237680).

Almost surely, 2^{22221043332210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22221043332210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29144507408640).

22221043332210 is an abundant number, since it is smaller than the sum of its proper divisors (36067971485070).

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

22221043332210 is a wasteful number, since it uses less digits than its factorization.

22221043332210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113392 (or 113389 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22221043332210 its reverse (1223334012222), we get a palindrome (23444377344432).

The spelling of 22221043332210 in words is "twenty-two trillion, two hundred twenty-one billion, forty-three million, three hundred thirty-two thousand, two hundred ten".