20221222199982 has 128 divisors (see below), whose sum is σ = 42212548804608. Its totient is φ = 6450707548800.

The previous prime is 20221222199977. The next prime is 20221222200097. The reversal of 20221222199982 is 28999122212202.

It is a super-2 number, since 2×20221222199982² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 9162310723 + ... + 9162312929.

It is an arithmetic number, because the mean of its divisors is an integer number (329785537536).

Almost surely, 2^{20221222199982} is an apocalyptic number.

20221222199982 is an abundant number, since it is smaller than the sum of its proper divisors (21991326604626).

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

20221222199982 is a wasteful number, since it uses less digits than its factorization.

20221222199982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 20221222199982 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred ninety-nine thousand, nine hundred eighty-two".