2268037 has 4 divisors (see below), whose sum is σ = 2299180. Its totient is φ = 2236896.

The previous prime is 2268031. The next prime is 2268043. The reversal of 2268037 is 7308622.

2268037 = 139² + 140² + ... + 211².

It is a Cunningham number, because it is equal to 1506²+1.

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

It is an interprime number because it is at equal distance from previous prime (2268031) and next prime (2268043).

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 982081 = 1134^2 + 991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2268037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2267996 and 2268014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268031) 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, 15462 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (574795).

2^2268037 is an apocalyptic number.

It is an amenable number.

2268037 is a deficient number, since it is larger than the sum of its proper divisors (31143).

2268037 is an equidigital number, since it uses as much as digits as its factorization.

2268037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31142.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2268037 is about 1506.0003320053. Note that the first 3 decimals coincide. The cubic root of 2268037 is about 131.3862886646.

It can be divided in two parts, 22680 and 37, that multiplied together give a triangular number (839160 = T₁₂₉₅).

The spelling of 2268037 in words is "two million, two hundred sixty-eight thousand, thirty-seven".