2190011 has 4 divisors (see below), whose sum is σ = 2193000. Its totient is φ = 2187024.

The previous prime is 2189989. The next prime is 2190017. The reversal of 2190011 is 1100912.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2190011 - 2¹⁰ = 2188987 is a prime.

It is a super-2 number, since 2×2190011² = 9592296360242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190017) 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, 440 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (548250).

2^2190011 is an apocalyptic number.

2190011 is a deficient number, since it is larger than the sum of its proper divisors (2989).

2190011 is a wasteful number, since it uses less digits than its factorization.

2190011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2190011 is about 1479.8685752458. The cubic root of 2190011 is about 129.8620034683.

Adding to 2190011 its reverse (1100912), we get a palindrome (3290923).

The spelling of 2190011 in words is "two million, one hundred ninety thousand, eleven".