2251443 has 8 divisors (see below), whose sum is σ = 3160000. Its totient is φ = 1421928.

The previous prime is 2251427. The next prime is 2251451. The reversal of 2251443 is 3441522.

2251443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2251443 - 2⁴ = 2251427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251423) 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 in 7 ways as a sum of consecutive naturals, for example, 19693 + ... + 19806.

It is an arithmetic number, because the mean of its divisors is an integer number (395000).

2^2251443 is an apocalyptic number.

2251443 is a deficient number, since it is larger than the sum of its proper divisors (908557).

2251443 is a wasteful number, since it uses less digits than its factorization.

2251443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39521.

The product of its digits is 960, while the sum is 21.

The square root of 2251443 is about 1500.4809229044. The cubic root of 2251443 is about 131.0650765376.

Adding to 2251443 its reverse (3441522), we get a palindrome (5692965).

The spelling of 2251443 in words is "two million, two hundred fifty-one thousand, four hundred forty-three".