2184557 has 2 divisors, whose sum is σ = 2184558. Its totient is φ = 2184556.

The previous prime is 2184547. The next prime is 2184583. The reversal of 2184557 is 7554812.

2184557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2172676 + 11881 = 1474^2 + 109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2184557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2184547) 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 as a sum of consecutive naturals, namely, 1092278 + 1092279.

It is an arithmetic number, because the mean of its divisors is an integer number (1092279).

2^2184557 is an apocalyptic number.

It is an amenable number.

2184557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2184557 is an equidigital number, since it uses as much as digits as its factorization.

2184557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 32.

The square root of 2184557 is about 1478.0246953282. The cubic root of 2184557 is about 129.7541111430.

The spelling of 2184557 in words is "two million, one hundred eighty-four thousand, five hundred fifty-seven".