2222165671 has 4 divisors (see below), whose sum is σ = 2424180744. Its totient is φ = 2020150600.

The previous prime is 2222165657. The next prime is 2222165731. The reversal of 2222165671 is 1765612222.

2222165671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2222165671 - 2⁵ = 2222165639 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 (2222165611) 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, 101007520 + ... + 101007541.

It is an arithmetic number, because the mean of its divisors is an integer number (606045186).

Almost surely, 2^2222165671 is an apocalyptic number.

2222165671 is a deficient number, since it is larger than the sum of its proper divisors (202015073).

2222165671 is a wasteful number, since it uses less digits than its factorization.

2222165671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202015072.

The product of its digits is 20160, while the sum is 34.

The square root of 2222165671 is about 47139.8522589963. The cubic root of 2222165671 is about 1304.9448107682.

Adding to 2222165671 its reverse (1765612222), we get a palindrome (3987777893).

The spelling of 2222165671 in words is "two billion, two hundred twenty-two million, one hundred sixty-five thousand, six hundred seventy-one".