2209344 has 56 divisors (see below), whose sum is σ = 6022848. Its totient is φ = 714240.

The previous prime is 2209343. The next prime is 2209409. The reversal of 2209344 is 4439022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2209343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6949 + ... + 7259.

2^2209344 is an apocalyptic number.

2209344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3011424).

2209344 is an abundant number, since it is smaller than the sum of its proper divisors (3813504).

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

2209344 is a wasteful number, since it uses less digits than its factorization.

2209344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2209344 is about 1486.3862216800. The cubic root of 2209344 is about 130.2430168313.

The spelling of 2209344 in words is "two million, two hundred nine thousand, three hundred forty-four".