2247671 has 4 divisors (see below), whose sum is σ = 2252952. Its totient is φ = 2242392.

The previous prime is 2247659. The next prime is 2247673. The reversal of 2247671 is 1767422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2247671 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 4² + 7² + 6² + 7⁶ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (563238).

2^2247671 is an apocalyptic number.

2247671 is a deficient number, since it is larger than the sum of its proper divisors (5281).

2247671 is an equidigital number, since it uses as much as digits as its factorization.

2247671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280.

The product of its digits is 4704, while the sum is 29.

The square root of 2247671 is about 1499.2234656648. The cubic root of 2247671 is about 130.9918414592.

Subtracting from 2247671 its reverse (1767422), we obtain a square (480249 = 693²).

The spelling of 2247671 in words is "two million, two hundred forty-seven thousand, six hundred seventy-one".