2247744 has 56 divisors (see below), whose sum is σ = 6217920. Its totient is φ = 715264.

The previous prime is 2247737. The next prime is 2247793. The reversal of 2247744 is 4477422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4162 + ... + 4670.

2^2247744 is an apocalyptic number.

2247744 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 2247744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3108960).

2247744 is an abundant number, since it is smaller than the sum of its proper divisors (3970176).

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

2247744 is a wasteful number, since it uses less digits than its factorization.

2247744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 537 counting only the distinct ones).

The product of its digits is 12544, while the sum is 30.

The square root of 2247744 is about 1499.2478114041. The cubic root of 2247744 is about 130.9932595642.

The spelling of 2247744 in words is "two million, two hundred forty-seven thousand, seven hundred forty-four".