20221222212202 has 16 divisors (see below), whose sum is σ = 33092538571872. Its totient is φ = 9190557458320.

The previous prime is 20221222212199. The next prime is 20221222212203.

20221222212202 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20221222212203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45131188 + ... + 45577039.

It is an arithmetic number, because the mean of its divisors is an integer number (2068283660742).

Almost surely, 2^{20221222212202} is an apocalyptic number.

20221222212202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221222212202 is a deficient number, since it is larger than the sum of its proper divisors (12871316359670).

20221222212202 is a wasteful number, since it uses less digits than its factorization.

20221222212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90718373.

The product of its (nonzero) digits is 1024, while the sum is 22.

Multiplying 20221222212202 by its sum of digits (22), we get a palindrome (444866888668444).

It can be divided in two parts, 2022122 and 2212202, that added together give a palindrome (4234324).

The spelling of 20221222212202 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, two hundred two".