220221200222 has 4 divisors (see below), whose sum is σ = 330331800336. Its totient is φ = 110110600110.

The previous prime is 220221200219. The next prime is 220221200231. The reversal of 220221200222 is 222002122022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 220221200222.

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, 55055300054 + ... + 55055300057.

It is an arithmetic number, because the mean of its divisors is an integer number (82582950084).

Almost surely, 2^220221200222 is an apocalyptic number.

220221200222 is a deficient number, since it is larger than the sum of its proper divisors (110110600114).

220221200222 is a wasteful number, since it uses less digits than its factorization.

220221200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110110600113.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220221200222 its reverse (222002122022), we get a palindrome (442223322244).

The spelling of 220221200222 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".