2171084022 has 24 divisors (see below), whose sum is σ = 4705562160. Its totient is φ = 723456720.

The previous prime is 2171084017. The next prime is 2171084023. The reversal of 2171084022 is 2204801712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171084023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41572 + ... + 77912.

It is an arithmetic number, because the mean of its divisors is an integer number (196065090).

Almost surely, 2^2171084022 is an apocalyptic number.

2171084022 is an abundant number, since it is smaller than the sum of its proper divisors (2534478138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2171084022 is a wasteful number, since it uses less digits than its factorization.

2171084022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39668 (or 39665 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2171084022 is about 46594.8926600330. The cubic root of 2171084022 is about 1294.8681354281.

Adding to 2171084022 its reverse (2204801712), we get a palindrome (4375885734).

The spelling of 2171084022 in words is "two billion, one hundred seventy-one million, eighty-four thousand, twenty-two".