4224139 has 2 divisors, whose sum is σ = 4224140. Its totient is φ = 4224138.

The previous prime is 4224131. The next prime is 4224161. The reversal of 4224139 is 9314224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4224139 - 2³ = 4224131 is a prime.

It is not a weakly prime, because it can be changed into another prime (4224131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112069 + 2112070.

It is an arithmetic number, because the mean of its divisors is an integer number (2112070).

Almost surely, 2^4224139 is an apocalyptic number.

4224139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4224139 is an equidigital number, since it uses as much as digits as its factorization.

4224139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 4224139 is about 2055.2710283561. The cubic root of 4224139 is about 161.6513739505.

The spelling of 4224139 in words is "four million, two hundred twenty-four thousand, one hundred thirty-nine".