221122022219 has 12 divisors (see below), whose sum is σ = 262696421664. Its totient is φ = 185500539504.

The previous prime is 221122022213. The next prime is 221122022221. The reversal of 221122022219 is 912220221122.

It is not a de Polignac number, because 221122022219 - 2¹⁶ = 221121956683 is a prime.

It is a super-2 number, since 2×221122022219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221122022213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48005084 + ... + 48009689.

It is an arithmetic number, because the mean of its divisors is an integer number (21891368472).

Almost surely, 2^221122022219 is an apocalyptic number.

221122022219 is a deficient number, since it is larger than the sum of its proper divisors (41574399445).

221122022219 is an equidigital number, since it uses as much as digits as its factorization.

221122022219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96014834 (or 96014827 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 221122022219 in words is "two hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, two hundred nineteen".