22222230030 has 768 divisors, whose sum is σ = 81919918080. Its totient is φ = 4031078400.

The previous prime is 22222230011. The next prime is 22222230049. The reversal of 22222230030 is 3003222222.

It is an interprime number because it is at equal distance from previous prime (22222230011) and next prime (22222230049).

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 = 22222229985 and 22222230012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 203873616 + ... + 203873724.

It is an arithmetic number, because the mean of its divisors is an integer number (106666560).

Almost surely, 2^22222230030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222230030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40959959040).

22222230030 is an abundant number, since it is smaller than the sum of its proper divisors (59697688050).

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

22222230030 is a wasteful number, since it uses less digits than its factorization.

22222230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22222230030 its reverse (3003222222), we get a palindrome (25225452252).

It can be divided in two parts, 222222 and 30030, that added together give a palindrome (252252).

The spelling of 22222230030 in words is "twenty-two billion, two hundred twenty-two million, two hundred thirty thousand, thirty".