222123220030 has 32 divisors (see below), whose sum is σ = 401288878080. Its totient is φ = 88523619360.

The previous prime is 222123220019. The next prime is 222123220031. The reversal of 222123220030 is 30022321222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222123220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5298291 + ... + 5340049.

It is an arithmetic number, because the mean of its divisors is an integer number (12540277440).

Almost surely, 2^222123220030 is an apocalyptic number.

222123220030 is a deficient number, since it is larger than the sum of its proper divisors (179165658050).

222123220030 is a wasteful number, since it uses less digits than its factorization.

222123220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43704.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 222123220030 its reverse (30022321222), we get a palindrome (252145541252).

The spelling of 222123220030 in words is "two hundred twenty-two billion, one hundred twenty-three million, two hundred twenty thousand, thirty".