2204537 has 2 divisors, whose sum is σ = 2204538. Its totient is φ = 2204536.

The previous prime is 2204507. The next prime is 2204557. The reversal of 2204537 is 7354022.

2204537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 606841 = 1264^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204537 - 2⁶ = 2204473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2204507) 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, 1102268 + 1102269.

It is an arithmetic number, because the mean of its divisors is an integer number (1102269).

2^2204537 is an apocalyptic number.

It is an amenable number.

2204537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204537 is an equidigital number, since it uses as much as digits as its factorization.

2204537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2204537 is about 1484.7683320976. The cubic root of 2204537 is about 130.1484891047.

Adding to 2204537 its reverse (7354022), we get a palindrome (9558559).

The spelling of 2204537 in words is "two million, two hundred four thousand, five hundred thirty-seven".