2264861 has 2 divisors, whose sum is σ = 2264862. Its totient is φ = 2264860.

The previous prime is 2264839. The next prime is 2264863. The reversal of 2264861 is 1684622.

2264861 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., 2044900 + 219961 = 1430^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 2264861 - 2⁶ = 2264797 is a prime.

Together with 2264863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2264863) 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, 1132430 + 1132431.

It is an arithmetic number, because the mean of its divisors is an integer number (1132431).

2^2264861 is an apocalyptic number.

It is an amenable number.

2264861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2264861 is an equidigital number, since it uses as much as digits as its factorization.

2264861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 2264861 is about 1504.9455139639. The cubic root of 2264861 is about 131.3249319668.

It can be divided in two parts, 2264 and 861, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2264861 in words is "two million, two hundred sixty-four thousand, eight hundred sixty-one".