220122211222 has 64 divisors (see below), whose sum is σ = 373838976000. Its totient is φ = 96588495360.

The previous prime is 220122211201. The next prime is 220122211303. The reversal of 220122211222 is 222112221022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 220122211222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14522904 + ... + 14538052.

It is an arithmetic number, because the mean of its divisors is an integer number (5841234000).

Almost surely, 2^220122211222 is an apocalyptic number.

220122211222 is a deficient number, since it is larger than the sum of its proper divisors (153716764778).

220122211222 is a wasteful number, since it uses less digits than its factorization.

220122211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15541.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220122211222 its reverse (222112221022), we get a palindrome (442234432244).

The spelling of 220122211222 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-two".