2190241 has 4 divisors (see below), whose sum is σ = 2196400. Its totient is φ = 2184084.

The previous prime is 2190233. The next prime is 2190269. The reversal of 2190241 is 1420912.

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 2190241 - 2³ = 2190233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190271) 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, 2511 + ... + 3268.

It is an arithmetic number, because the mean of its divisors is an integer number (549100).

2^2190241 is an apocalyptic number.

It is an amenable number.

2190241 is a deficient number, since it is larger than the sum of its proper divisors (6159).

2190241 is an equidigital number, since it uses as much as digits as its factorization.

2190241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2190241 is about 1479.9462828089. The cubic root of 2190241 is about 129.8665494447.

The spelling of 2190241 in words is "two million, one hundred ninety thousand, two hundred forty-one".