4224487 has 4 divisors (see below), whose sum is σ = 4249080. Its totient is φ = 4199896.

The previous prime is 4224469. The next prime is 4224491. The reversal of 4224487 is 7844224.

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-4224487 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁵ + 2¹² + 2²² + 4⁶ + 4⁶ + 8² + 7⁵ .

It is a Duffinian number.

4224487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12037 + ... + 12382.

It is an arithmetic number, because the mean of its divisors is an integer number (1062270).

Almost surely, 2^4224487 is an apocalyptic number.

4224487 is a deficient number, since it is larger than the sum of its proper divisors (24593).

4224487 is a wasteful number, since it uses less digits than its factorization.

4224487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24592.

The product of its digits is 14336, while the sum is 31.

The square root of 4224487 is about 2055.3556869797. The cubic root of 4224487 is about 161.6558129722.

The spelling of 4224487 in words is "four million, two hundred twenty-four thousand, four hundred eighty-seven".