4224394 has 8 divisors (see below), whose sum is σ = 6491268. Its totient is φ = 2060640.

The previous prime is 4224391. The next prime is 4224397. The reversal of 4224394 is 4934224.

It is an interprime number because it is at equal distance from previous prime (4224391) and next prime (4224397).

It can be written as a sum of positive squares in 2 ways, for example, as 4223025 + 1369 = 2055^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 4³ + 2³ + 2⁹ + 4⁷ + 3⁸ + 9⁴ + 4¹¹ .

It is not an unprimeable number, because it can be changed into a prime (4224391) 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, 25677 + ... + 25840.

Almost surely, 2^4224394 is an apocalyptic number.

4224394 is a deficient number, since it is larger than the sum of its proper divisors (2266874).

4224394 is a wasteful number, since it uses less digits than its factorization.

4224394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51560.

The product of its digits is 6912, while the sum is 28.

The square root of 4224394 is about 2055.3330630338. Note that the first 3 decimals coincide. The cubic root of 4224394 is about 161.6546267058.

The spelling of 4224394 in words is "four million, two hundred twenty-four thousand, three hundred ninety-four".