2247705 has 24 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 1188000.

The previous prime is 2247697. The next prime is 2247709. The reversal of 2247705 is 5077422.

It is not a de Polignac number, because 2247705 - 2³ = 2247697 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 4 + 7 + 7⁶ + 0 + 5³ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2247709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8830 + ... + 9080.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^2247705 is an apocalyptic number.

It is an amenable number.

2247705 is a deficient number, since it is larger than the sum of its proper divisors (1683495).

2247705 is a wasteful number, since it uses less digits than its factorization.

2247705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2247705 is about 1499.2348048254. The cubic root of 2247705 is about 130.9925019503.

The spelling of 2247705 in words is "two million, two hundred forty-seven thousand, seven hundred five".