222220230102 has 192 divisors, whose sum is σ = 536278579200. Its totient is φ = 66081692160.

The previous prime is 222220230091. The next prime is 222220230139. The reversal of 222220230102 is 201032022222.

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

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, 274007277 + ... + 274008087.

It is an arithmetic number, because the mean of its divisors is an integer number (2793117600).

Almost surely, 2^222220230102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222220230102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268139289600).

222220230102 is an abundant number, since it is smaller than the sum of its proper divisors (314058349098).

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

222220230102 is a wasteful number, since it uses less digits than its factorization.

222220230102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 222220230102 its reverse (201032022222), we get a palindrome (423252252324).

The spelling of 222220230102 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred thirty thousand, one hundred two".