220022244191 has 4 divisors (see below), whose sum is σ = 222040797000. Its totient is φ = 218003691384.

The previous prime is 220022244187. The next prime is 220022244203. The reversal of 220022244191 is 191442220022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191442220022 = 2 ⋅95721110011.

It is a cyclic number.

It is not a de Polignac number, because 220022244191 - 2² = 220022244187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022241191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009276241 + ... + 1009276458.

It is an arithmetic number, because the mean of its divisors is an integer number (55510199250).

Almost surely, 2^220022244191 is an apocalyptic number.

220022244191 is a deficient number, since it is larger than the sum of its proper divisors (2018552809).

220022244191 is a wasteful number, since it uses less digits than its factorization.

220022244191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018552808.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 220022244191 in words is "two hundred twenty billion, twenty-two million, two hundred forty-four thousand, one hundred ninety-one".