221222021020219 has 24 divisors (see below), whose sum is σ = 230963574260160. Its totient is φ = 211735454046336.

The previous prime is 221222021020213. The next prime is 221222021020271. The reversal of 221222021020219 is 912020120222122.

It is not a de Polignac number, because 221222021020219 - 2²⁷ = 221221886802491 is a prime.

It is a super-2 number, since 2×221222021020219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221222021020213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118494639 + ... + 120347095.

It is an arithmetic number, because the mean of its divisors is an integer number (9623482260840).

Almost surely, 2^{221222021020219} is an apocalyptic number.

221222021020219 is a deficient number, since it is larger than the sum of its proper divisors (9741553239941).

221222021020219 is an equidigital number, since it uses as much as digits as its factorization.

221222021020219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853347 (or 1853280 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 221222021020219 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, twenty-one million, twenty thousand, two hundred nineteen".