220443121222 has 32 divisors (see below), whose sum is σ = 356418144000. Its totient is φ = 101935218528.

The previous prime is 220443121211. The next prime is 220443121253. The reversal of 220443121222 is 222121344022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125773 + ... + 675799.

It is an arithmetic number, because the mean of its divisors is an integer number (11138067000).

Almost surely, 2^220443121222 is an apocalyptic number.

220443121222 is a deficient number, since it is larger than the sum of its proper divisors (135975022778).

220443121222 is a wasteful number, since it uses less digits than its factorization.

220443121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550300.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 220443121222 its reverse (222121344022), we get a palindrome (442564465244).

The spelling of 220443121222 in words is "two hundred twenty billion, four hundred forty-three million, one hundred twenty-one thousand, two hundred twenty-two".