42208319 has 2 divisors, whose sum is σ = 42208320. Its totient is φ = 42208318.

The previous prime is 42208301. The next prime is 42208337. The reversal of 42208319 is 91380224.

It is a balanced prime because it is at equal distance from previous prime (42208301) and next prime (42208337).

It is a cyclic number.

It is not a de Polignac number, because 42208319 - 2¹² = 42204223 is a prime.

It is a super-2 number, since 2×42208319² = 3563084385611522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42208291 and 42208300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42208349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21104159 + 21104160.

It is an arithmetic number, because the mean of its divisors is an integer number (21104160).

Almost surely, 2^42208319 is an apocalyptic number.

42208319 is a deficient number, since it is larger than the sum of its proper divisors (1).

42208319 is an equidigital number, since it uses as much as digits as its factorization.

42208319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 42208319 is about 6496.7929780777. The cubic root of 42208319 is about 348.1764172448.

The spelling of 42208319 in words is "forty-two million, two hundred eight thousand, three hundred nineteen".