42229199 has 2 divisors, whose sum is σ = 42229200. Its totient is φ = 42229198.

The previous prime is 42229189. The next prime is 42229217. The reversal of 42229199 is 99192224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42229199 is a prime.

It is a Sophie Germain 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 (42229129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21114599 + 21114600.

It is an arithmetic number, because the mean of its divisors is an integer number (21114600).

Almost surely, 2^42229199 is an apocalyptic number.

42229199 is a deficient number, since it is larger than the sum of its proper divisors (1).

42229199 is an equidigital number, since it uses as much as digits as its factorization.

42229199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 42229199 is about 6498.3997260864. The cubic root of 42229199 is about 348.2338208192.

The spelling of 42229199 in words is "forty-two million, two hundred twenty-nine thousand, one hundred ninety-nine".