2247648 has 48 divisors (see below), whose sum is σ = 6357456. Its totient is φ = 691200.

The previous prime is 2247611. The next prime is 2247659. The reversal of 2247648 is 8467422.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 348 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (132447).

2^2247648 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 2247648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3178728).

2247648 is an abundant number, since it is smaller than the sum of its proper divisors (4109808).

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

2247648 is a wasteful number, since it uses less digits than its factorization.

2247648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1819 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 2247648 is about 1499.2157950075. The cubic root of 2247648 is about 130.9913946526.

The spelling of 2247648 in words is "two million, two hundred forty-seven thousand, six hundred forty-eight".