220102222222 has 4 divisors (see below), whose sum is σ = 330153333336. Its totient is φ = 110051111110.

The previous prime is 220102222217. The next prime is 220102222247. The reversal of 220102222222 is 222222201022.

It is a semiprime because it is the product of two primes.

220102222222 is a modest number, since divided by 222222 gives 220102 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 220102222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55025555554 + ... + 55025555557.

It is an arithmetic number, because the mean of its divisors is an integer number (82538333334).

Almost surely, 2^220102222222 is an apocalyptic number.

220102222222 is a deficient number, since it is larger than the sum of its proper divisors (110051111114).

220102222222 is a wasteful number, since it uses less digits than its factorization.

220102222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110051111113.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220102222222 its reverse (222222201022), we get a palindrome (442324423244).

The spelling of 220102222222 in words is "two hundred twenty billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty-two".