4224249 has 12 divisors (see below), whose sum is σ = 6367296. Its totient is φ = 2693592.

The previous prime is 4224247. The next prime is 4224281. The reversal of 4224249 is 9424224.

It is not a de Polignac number, because 4224249 - 2¹ = 4224247 is a prime.

It is a super-2 number, since 2×4224249² = 35688559228002, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁶ + 2⁵ + 2⁹ + 4⁷ + 2¹³ + 4¹¹ + 9³ .

4224249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4224247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9997 + ... + 10410.

It is an arithmetic number, because the mean of its divisors is an integer number (530608).

Almost surely, 2^4224249 is an apocalyptic number.

It is an amenable number.

4224249 is a deficient number, since it is larger than the sum of its proper divisors (2143047).

4224249 is a wasteful number, since it uses less digits than its factorization.

4224249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20436 (or 20433 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 4224249 is about 2055.2977886428. The cubic root of 4224249 is about 161.6527771159.

The spelling of 4224249 in words is "four million, two hundred twenty-four thousand, two hundred forty-nine".