2263449 has 4 divisors (see below), whose sum is σ = 3017936. Its totient is φ = 1508964.

The previous prime is 2263447. The next prime is 2263463. The reversal of 2263449 is 9443622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2263449 - 2¹ = 2263447 is a prime.

It is a D-number.

It is a Duffinian number.

2263449 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2263441) 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, 377239 + ... + 377244.

It is an arithmetic number, because the mean of its divisors is an integer number (754484).

2^2263449 is an apocalyptic number.

It is an amenable number.

2263449 is a deficient number, since it is larger than the sum of its proper divisors (754487).

2263449 is an equidigital number, since it uses as much as digits as its factorization.

2263449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754486.

The product of its digits is 10368, while the sum is 30.

The square root of 2263449 is about 1504.4763208505. The cubic root of 2263449 is about 131.2976353171.

The spelling of 2263449 in words is "two million, two hundred sixty-three thousand, four hundred forty-nine".