42822419 has 2 divisors, whose sum is σ = 42822420. Its totient is φ = 42822418.

The previous prime is 42822361. The next prime is 42822487. The reversal of 42822419 is 91422824.

It is a happy number.

42822419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42822419 is a prime.

It is a super-2 number, since 2×42822419² = 3667519138023122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42822319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21411209 + 21411210.

It is an arithmetic number, because the mean of its divisors is an integer number (21411210).

Almost surely, 2^42822419 is an apocalyptic number.

42822419 is a deficient number, since it is larger than the sum of its proper divisors (1).

42822419 is an equidigital number, since it uses as much as digits as its factorization.

42822419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 42822419 is about 6543.8840912718. The cubic root of 42822419 is about 349.8568639200.

The spelling of 42822419 in words is "forty-two million, eight hundred twenty-two thousand, four hundred nineteen".