2243587 has 2 divisors, whose sum is σ = 2243588. Its totient is φ = 2243586.

The previous prime is 2243551. The next prime is 2243597. The reversal of 2243587 is 7853422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2243587 - 2¹¹ = 2241539 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 2⁷ + 4⁸ + 3⁵ + 5⁷ + 8⁷ + 7⁴ .

It is not a weakly prime, because it can be changed into another prime (2243537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121793 + 1121794.

It is an arithmetic number, because the mean of its divisors is an integer number (1121794).

2^2243587 is an apocalyptic number.

2243587 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243587 is an equidigital number, since it uses as much as digits as its factorization.

2243587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 31.

The square root of 2243587 is about 1497.8608079525. The cubic root of 2243587 is about 130.9124563207.

It can be divided in two parts, 22435 and 87, that added together give a palindrome (22522).

The spelling of 2243587 in words is "two million, two hundred forty-three thousand, five hundred eighty-seven".