2249737 has 10 divisors (see below), whose sum is σ = 2627338. Its totient is φ = 1926288.

The previous prime is 2249719. The next prime is 2249743. The reversal of 2249737 is 7379422.

It can be written as a sum of positive squares in only one way, i.e., 1382976 + 866761 = 1176^2 + 931^2 .

It is not a de Polignac number, because 2249737 - 2⁷ = 2249609 is a prime.

It is a super-2 number, since 2×2249737² = 10122633138338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2249747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1933 + ... + 2869.

2^2249737 is an apocalyptic number.

It is an amenable number.

2249737 is a deficient number, since it is larger than the sum of its proper divisors (377601).

2249737 is an frugal number, since it uses more digits than its factorization.

2249737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 944 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 2249737 is about 1499.9123307714. The cubic root of 2249737 is about 131.0319639190.

The spelling of 2249737 in words is "two million, two hundred forty-nine thousand, seven hundred thirty-seven".