2235997 has 2 divisors, whose sum is σ = 2235998. Its totient is φ = 2235996.

The previous prime is 2235973. The next prime is 2236001. The reversal of 2235997 is 7995322.

2235997 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., 1207801 + 1028196 = 1099^2 + 1014^2 .

It is a cyclic number.

It is not a de Polignac number, because 2235997 - 2⁷ = 2235869 is a prime.

It is a d-powerful number, because it can be written as 2¹⁸ + 2²⁰ + 3¹² + 5⁸ + 9² + 9³ + 7⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2235907) 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, 1117998 + 1117999.

It is an arithmetic number, because the mean of its divisors is an integer number (1117999).

2^2235997 is an apocalyptic number.

It is an amenable number.

2235997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235997 is an equidigital number, since it uses as much as digits as its factorization.

2235997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 2235997 is about 1495.3250482755. The cubic root of 2235997 is about 130.7646649901.

It can be divided in two parts, 223 and 5997, that multiplied together give a palindrome (1337331).

The spelling of 2235997 in words is "two million, two hundred thirty-five thousand, nine hundred ninety-seven".