2249803 has 4 divisors (see below), whose sum is σ = 2302168. Its totient is φ = 2197440.

The previous prime is 2249783. The next prime is 2249813. The reversal of 2249803 is 3089422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2249803 is a prime.

It is a super-2 number, since 2×2249803² = 10123227077618, which contains 22 as substring.

It is a Duffinian number.

2249803 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2249813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26118 + ... + 26203.

It is an arithmetic number, because the mean of its divisors is an integer number (575542).

2^2249803 is an apocalyptic number.

2249803 is a deficient number, since it is larger than the sum of its proper divisors (52365).

2249803 is an equidigital number, since it uses as much as digits as its factorization.

2249803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52364.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2249803 is about 1499.9343318959. The cubic root of 2249803 is about 131.0332452577.

The spelling of 2249803 in words is "two million, two hundred forty-nine thousand, eight hundred three".