2247616 has 56 divisors (see below), whose sum is σ = 5303520. Its totient is φ = 924672.

The previous prime is 2247611. The next prime is 2247659. The reversal of 2247616 is 6167422.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 4 + 7⁶ + 6 + 1 + 6² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247611) 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, 12906 + ... + 13078.

2^2247616 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 2247616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2651760).

2247616 is an abundant number, since it is smaller than the sum of its proper divisors (3055904).

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

2247616 is a wasteful number, since it uses less digits than its factorization.

2247616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 211 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 2247616 is about 1499.2051227234. The cubic root of 2247616 is about 130.9907730035.

The spelling of 2247616 in words is "two million, two hundred forty-seven thousand, six hundred sixteen".