2171052022 has 4 divisors (see below), whose sum is σ = 3256578036. Its totient is φ = 1085526010.

The previous prime is 2171052019. The next prime is 2171052029. The reversal of 2171052022 is 2202501712.

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

It is a junction number, because it is equal to n+sod(n) for n = 2171051984 and 2171052002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171052029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542763004 + ... + 542763007.

It is an arithmetic number, because the mean of its divisors is an integer number (814144509).

Almost surely, 2^2171052022 is an apocalyptic number.

2171052022 is a deficient number, since it is larger than the sum of its proper divisors (1085526014).

2171052022 is a wasteful number, since it uses less digits than its factorization.

2171052022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085526013.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2171052022 is about 46594.5492734934. The cubic root of 2171052022 is about 1294.8617736316.

Adding to 2171052022 its reverse (2202501712), we get a palindrome (4373553734).

The spelling of 2171052022 in words is "two billion, one hundred seventy-one million, fifty-two thousand, twenty-two".