2247864 has 32 divisors (see below), whose sum is σ = 5658000. Its totient is φ = 744192.

The previous prime is 2247857. The next prime is 2247881. The reversal of 2247864 is 4687422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5292 + ... + 5700.

2^2247864 is an apocalyptic number.

2247864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2247864 is an abundant number, since it is smaller than the sum of its proper divisors (3410136).

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

2247864 is a wasteful number, since it uses less digits than its factorization.

2247864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 643 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 2247864 is about 1499.2878309384. The cubic root of 2247864 is about 130.9955906291.

The spelling of 2247864 in words is "two million, two hundred forty-seven thousand, eight hundred sixty-four".