2194441 has 2 divisors, whose sum is σ = 2194442. Its totient is φ = 2194440.

The previous prime is 2194429. The next prime is 2194447. The reversal of 2194441 is 1444912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 606841 = 1260^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194441 - 2⁹ = 2193929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2194447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097220 + 1097221.

It is an arithmetic number, because the mean of its divisors is an integer number (1097221).

2^2194441 is an apocalyptic number.

It is an amenable number.

2194441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194441 is an equidigital number, since it uses as much as digits as its factorization.

2194441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 2194441 is about 1481.3645736280. The cubic root of 2194441 is about 129.9495070179.

The spelling of 2194441 in words is "two million, one hundred ninety-four thousand, four hundred forty-one".