20220221121222 has 8 divisors (see below), whose sum is σ = 40440442242456. Its totient is φ = 6740073707072.

The previous prime is 20220221121211. The next prime is 20220221121239. The reversal of 20220221121222 is 22212112202202.

It is a sphenic number, since it is the product of 3 distinct primes.

20220221121222 is an admirable number.

It is a super-2 number, since 2×20220221121222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685018426763 + ... + 1685018426774.

It is an arithmetic number, because the mean of its divisors is an integer number (5055055280307).

Almost surely, 2^{20220221121222} is an apocalyptic number.

20220221121222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220221121222 is a wasteful number, since it uses less digits than its factorization.

20220221121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370036853542.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20220221121222 its reverse (22212112202202), we get a palindrome (42432333323424).

The spelling of 20220221121222 in words is "twenty trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".