2249685 has 12 divisors (see below), whose sum is σ = 3899532. Its totient is φ = 1199808.

The previous prime is 2249633. The next prime is 2249693. The reversal of 2249685 is 5869422.

It is a happy number.

2249685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1153476 + 1096209 = 1074^2 + 1047^2 .

It is not a de Polignac number, because 2249685 - 2⁷ = 2249557 is a prime.

It is a super-2 number, since 2×2249685² = 10122165198450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24952 + ... + 25041.

It is an arithmetic number, because the mean of its divisors is an integer number (324961).

2^2249685 is an apocalyptic number.

It is an amenable number.

2249685 is a deficient number, since it is larger than the sum of its proper divisors (1649847).

2249685 is a wasteful number, since it uses less digits than its factorization.

2249685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50004 (or 50001 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2249685 is about 1499.8949963247. The cubic root of 2249685 is about 131.0309543618.

The spelling of 2249685 in words is "two million, two hundred forty-nine thousand, six hundred eighty-five".