2235647 has 2 divisors, whose sum is σ = 2235648. Its totient is φ = 2235646.

The previous prime is 2235641. The next prime is 2235661. The reversal of 2235647 is 7465322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2235647 - 2⁴ = 2235631 is a prime.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 3¹⁰ + 5⁷ + 6⁴ + 4² + 7 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2235641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117823 + 1117824.

It is an arithmetic number, because the mean of its divisors is an integer number (1117824).

2^2235647 is an apocalyptic number.

2235647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235647 is an equidigital number, since it uses as much as digits as its factorization.

2235647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 2235647 is about 1495.2080122846. The cubic root of 2235647 is about 130.7578417816.

It can be divided in two parts, 2235 and 647, that added together give a palindrome (2882).

The spelling of 2235647 in words is "two million, two hundred thirty-five thousand, six hundred forty-seven".