2022022171 has 4 divisors (see below), whose sum is σ = 2177562352. Its totient is φ = 1866481992.

The previous prime is 2022022157. The next prime is 2022022181. The reversal of 2022022171 is 1712202202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2022022171 - 2⁷ = 2022022043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022022181) 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, 77770071 + ... + 77770096.

It is an arithmetic number, because the mean of its divisors is an integer number (544390588).

Almost surely, 2^2022022171 is an apocalyptic number.

2022022171 is a deficient number, since it is larger than the sum of its proper divisors (155540181).

2022022171 is a wasteful number, since it uses less digits than its factorization.

2022022171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155540180.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2022022171 is about 44966.9008382833. The cubic root of 2022022171 is about 1264.5285460054.

Adding to 2022022171 its reverse (1712202202), we get a palindrome (3734224373).

The spelling of 2022022171 in words is "two billion, twenty-two million, twenty-two thousand, one hundred seventy-one".