42205199 has 2 divisors, whose sum is σ = 42205200. Its totient is φ = 42205198.

The previous prime is 42205193. The next prime is 42205217. The reversal of 42205199 is 99150224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42205199 - 2⁴ = 42205183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42205193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21102599 + 21102600.

It is an arithmetic number, because the mean of its divisors is an integer number (21102600).

Almost surely, 2^42205199 is an apocalyptic number.

42205199 is a deficient number, since it is larger than the sum of its proper divisors (1).

42205199 is an equidigital number, since it uses as much as digits as its factorization.

42205199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 42205199 is about 6496.5528551687. The cubic root of 42205199 is about 348.1678380736.

The spelling of 42205199 in words is "forty-two million, two hundred five thousand, one hundred ninety-nine".