2170022 has 4 divisors (see below), whose sum is σ = 3255036. Its totient is φ = 1085010.

The previous prime is 2169997. The next prime is 2170039. The reversal of 2170022 is 2200712.

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 = 2169979 and 2170006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542504 + ... + 542507.

It is an arithmetic number, because the mean of its divisors is an integer number (813759).

2^2170022 is an apocalyptic number.

2170022 is a deficient number, since it is larger than the sum of its proper divisors (1085014).

2170022 is a wasteful number, since it uses less digits than its factorization.

2170022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085013.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2170022 is about 1473.0994535333. The cubic root of 2170022 is about 129.4656965536.

Adding to 2170022 its reverse (2200712), we get a palindrome (4370734).

The spelling of 2170022 in words is "two million, one hundred seventy thousand, twenty-two".