2162201 has 4 divisors (see below), whose sum is σ = 2169552. Its totient is φ = 2154852.

The previous prime is 2162197. The next prime is 2162203. The reversal of 2162201 is 1022612.

2162201 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2162201 - 2² = 2162197 is a prime.

It is a super-2 number, since 2×2162201² = 9350226328802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3215 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (542388).

2^2162201 is an apocalyptic number.

It is an amenable number.

2162201 is a deficient number, since it is larger than the sum of its proper divisors (7351).

2162201 is an equidigital number, since it uses as much as digits as its factorization.

2162201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2162201 is about 1470.4424504210. The cubic root of 2162201 is about 129.3099730781.

Adding to 2162201 its reverse (1022612), we get a palindrome (3184813).

The spelling of 2162201 in words is "two million, one hundred sixty-two thousand, two hundred one".