2224287 has 16 divisors (see below), whose sum is σ = 3549280. Its totient is φ = 1368576.

The previous prime is 2224283. The next prime is 2224289. The reversal of 2224287 is 7824222.

It is not a de Polignac number, because 2224287 - 2² = 2224283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2224287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224283) 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, 2818 + ... + 3519.

It is an arithmetic number, because the mean of its divisors is an integer number (221830).

2^2224287 is an apocalyptic number.

2224287 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2224287 is a deficient number, since it is larger than the sum of its proper divisors (1324993).

2224287 is a wasteful number, since it uses less digits than its factorization.

2224287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359 (or 6353 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 2224287 is about 1491.4043717249. The cubic root of 2224287 is about 130.5359921862.

The spelling of 2224287 in words is "two million, two hundred twenty-four thousand, two hundred eighty-seven".