2144291 has 4 divisors (see below), whose sum is σ = 2152152. Its totient is φ = 2136432.

The previous prime is 2144287. The next prime is 2144309. The reversal of 2144291 is 1924412.

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

It is a cyclic number.

It is not a de Polignac number, because 2144291 - 2² = 2144287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144251) 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, 3506 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (538038).

2^2144291 is an apocalyptic number.

2144291 is a deficient number, since it is larger than the sum of its proper divisors (7861).

2144291 is an equidigital number, since it uses as much as digits as its factorization.

2144291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860.

The product of its digits is 576, while the sum is 23.

The square root of 2144291 is about 1464.3397829739. The cubic root of 2144291 is about 128.9519481308.

The spelling of 2144291 in words is "two million, one hundred forty-four thousand, two hundred ninety-one".