22222222222230 has 128 divisors (see below), whose sum is σ = 59405641574400. Its totient is φ = 5911291872000.

The previous prime is 22222222222229. The next prime is 22222222222243. The reversal of 22222222222230 is 3222222222222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22222222222194 and 22222222222203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1239447906 + ... + 1239465834.

It is an arithmetic number, because the mean of its divisors is an integer number (464106574800).

Almost surely, 2^{22222222222230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222222222230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29702820787200).

22222222222230 is an abundant number, since it is smaller than the sum of its proper divisors (37183419352170).

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

22222222222230 is a wasteful number, since it uses less digits than its factorization.

22222222222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29027 (or 29021 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22222222222230 its reverse (3222222222222), we get a palindrome (25444444444452).

The spelling of 22222222222230 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty".