2266403 has 2 divisors, whose sum is σ = 2266404. Its totient is φ = 2266402.

The previous prime is 2266343. The next prime is 2266427. The reversal of 2266403 is 3046622.

Added to its reverse (3046622) it gives a square (5313025 = 2305²).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2266403 - 2¹⁶ = 2200867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2266463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133201 + 1133202.

It is an arithmetic number, because the mean of its divisors is an integer number (1133202).

2^2266403 is an apocalyptic number.

2266403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266403 is an equidigital number, since it uses as much as digits as its factorization.

2266403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2266403 is about 1505.4577376997. The cubic root of 2266403 is about 131.3547288072.

Adding to 2266403 its reverse (3046622), we get a square (5313025 = 2305²).

The spelling of 2266403 in words is "two million, two hundred sixty-six thousand, four hundred three".