2247491 has 16 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 1967328.

The previous prime is 2247473. The next prime is 2247499. The reversal of 2247491 is 1947422.

It is not a de Polignac number, because 2247491 - 2¹⁰ = 2246467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2247499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16100 + ... + 16238.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

2^2247491 is an apocalyptic number.

2247491 is a deficient number, since it is larger than the sum of its proper divisors (306109).

2247491 is a wasteful number, since it uses less digits than its factorization.

2247491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its digits is 4032, while the sum is 29.

The square root of 2247491 is about 1499.1634333854. The cubic root of 2247491 is about 130.9883446305.

The spelling of 2247491 in words is "two million, two hundred forty-seven thousand, four hundred ninety-one".