22220142230 has 256 divisors, whose sum is σ = 53169177600. Its totient is φ = 6549258240.

The previous prime is 22220142227. The next prime is 22220142239. The reversal of 22220142230 is 3224102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220142239) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33717641 + ... + 33718299.

It is an arithmetic number, because the mean of its divisors is an integer number (207692100).

Almost surely, 2^22220142230 is an apocalyptic number.

22220142230 is an abundant number, since it is smaller than the sum of its proper divisors (30949035370).

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

22220142230 is a wasteful number, since it uses less digits than its factorization.

22220142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22220142230 its reverse (3224102222), we get a palindrome (25444244452).

The spelling of 22220142230 in words is "twenty-two billion, two hundred twenty million, one hundred forty-two thousand, two hundred thirty".