41220239 has 2 divisors, whose sum is σ = 41220240. Its totient is φ = 41220238.

The previous prime is 41220233. The next prime is 41220241. The reversal of 41220239 is 93202214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41220239 is a prime.

Together with 41220241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41220233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610119 + 20610120.

It is an arithmetic number, because the mean of its divisors is an integer number (20610120).

Almost surely, 2^41220239 is an apocalyptic number.

41220239 is a deficient number, since it is larger than the sum of its proper divisors (1).

41220239 is an equidigital number, since it uses as much as digits as its factorization.

41220239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 41220239 is about 6420.2989805772. The cubic root of 41220239 is about 345.4380461124.

The spelling of 41220239 in words is "forty-one million, two hundred twenty thousand, two hundred thirty-nine".