2236261 has 2 divisors, whose sum is σ = 2236262. Its totient is φ = 2236260.

The previous prime is 2236249. The next prime is 2236279. The reversal of 2236261 is 1626322.

It is a happy number.

2236261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 611-st star number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 4225 = 1494^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236261 - 2⁷ = 2236133 is a prime.

2236261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2234261) 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, 1118130 + 1118131.

It is an arithmetic number, because the mean of its divisors is an integer number (1118131).

2^2236261 is an apocalyptic number.

It is an amenable number.

2236261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236261 is an equidigital number, since it uses as much as digits as its factorization.

2236261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 2236261 is about 1495.4133207913. The cubic root of 2236261 is about 130.7698111677.

The spelling of 2236261 in words is "two million, two hundred thirty-six thousand, two hundred sixty-one".