2243037 has 4 divisors (see below), whose sum is σ = 2990720. Its totient is φ = 1495356.

The previous prime is 2243027. The next prime is 2243053. The reversal of 2243037 is 7303422.

It is a happy number.

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 2243037 - 2⁶ = 2242973 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243027) 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, 373837 + ... + 373842.

It is an arithmetic number, because the mean of its divisors is an integer number (747680).

2^2243037 is an apocalyptic number.

It is an amenable number.

2243037 is a deficient number, since it is larger than the sum of its proper divisors (747683).

2243037 is an equidigital number, since it uses as much as digits as its factorization.

2243037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747682.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 2243037 is about 1497.6772015358. The cubic root of 2243037 is about 130.9017580155.

Adding to 2243037 its reverse (7303422), we get a palindrome (9546459).

The spelling of 2243037 in words is "two million, two hundred forty-three thousand, thirty-seven".