22221303030 has 192 divisors, whose sum is σ = 61228597248. Its totient is φ = 5580368640.

The previous prime is 22221302993. The next prime is 22221303059. The reversal of 22221303030 is 3030312222.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22221302994 and 22221303012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47582857 + ... + 47583323.

It is an arithmetic number, because the mean of its divisors is an integer number (318898944).

Almost surely, 2^22221303030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22221303030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30614298624).

22221303030 is an abundant number, since it is smaller than the sum of its proper divisors (39007294218).

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

22221303030 is a wasteful number, since it uses less digits than its factorization.

22221303030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22221303030 its reverse (3030312222), we get a palindrome (25251615252).

The spelling of 22221303030 in words is "twenty-two billion, two hundred twenty-one million, three hundred three thousand, thirty".