2247664 has 20 divisors (see below), whose sum is σ = 4430520. Its totient is φ = 1104320.

The previous prime is 2247659. The next prime is 2247673. The reversal of 2247664 is 4667422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (221526).

2^2247664 is an apocalyptic number.

It is an amenable number.

2247664 is a deficient number, since it is larger than the sum of its proper divisors (2182856).

2247664 is a wasteful number, since it uses less digits than its factorization.

2247664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2442 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 2247664 is about 1499.2211311211. The cubic root of 2247664 is about 130.9917054749.

The spelling of 2247664 in words is "two million, two hundred forty-seven thousand, six hundred sixty-four".