2249244 has 36 divisors (see below), whose sum is σ = 5821816. Its totient is φ = 731808.

The previous prime is 2249243. The next prime is 2249251. The reversal of 2249244 is 4429422.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 822 + ... + 2274.

2^2249244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2249244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2910908).

2249244 is an abundant number, since it is smaller than the sum of its proper divisors (3572572).

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

2249244 is a wasteful number, since it uses less digits than its factorization.

2249244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1501 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 2249244 is about 1499.7479788284. The cubic root of 2249244 is about 131.0223919146.

The spelling of 2249244 in words is "two million, two hundred forty-nine thousand, two hundred forty-four".