2249988 has 24 divisors (see below), whose sum is σ = 5654208. Its totient is φ = 692256.

The previous prime is 2249987. The next prime is 2250013. The reversal of 2249988 is 8899422.

It is not an unprimeable number, because it can be changed into a prime (2249981) 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 7 ways as a sum of consecutive naturals, for example, 7056 + ... + 7367.

It is an arithmetic number, because the mean of its divisors is an integer number (235592).

2^2249988 is an apocalyptic number.

It is an amenable number.

2249988 is an abundant number, since it is smaller than the sum of its proper divisors (3404220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2249988 is a wasteful number, since it uses less digits than its factorization.

2249988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14443 (or 14441 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 2249988 is about 1499.9959999947. The cubic root of 2249988 is about 131.0368367552.

The spelling of 2249988 in words is "two million, two hundred forty-nine thousand, nine hundred eighty-eight".