22221104310 has 96 divisors (see below), whose sum is σ = 60551375040. Its totient is φ = 5643120384.

The previous prime is 22221104309. The next prime is 22221104317. The reversal of 22221104310 is 1340112222.

It is a happy number.

22221104310 is a `hidden beast` number, since 2 + 2 + 221 + 10 + 431 + 0 = 666.

It is a super-2 number, since 2×22221104310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221104317) 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, 450592 + ... + 497468.

It is an arithmetic number, because the mean of its divisors is an integer number (630743490).

Almost surely, 2^22221104310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22221104310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30275687520).

22221104310 is an abundant number, since it is smaller than the sum of its proper divisors (38330270730).

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

22221104310 is a wasteful number, since it uses less digits than its factorization.

22221104310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47142 (or 47139 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22221104310 its reverse (1340112222), we get a palindrome (23561216532).

The spelling of 22221104310 in words is "twenty-two billion, two hundred twenty-one million, one hundred four thousand, three hundred ten".