2422439 has 2 divisors, whose sum is σ = 2422440. Its totient is φ = 2422438.

The previous prime is 2422423. The next prime is 2422447. The reversal of 2422439 is 9342242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2422439 - 2⁴ = 2422423 is a prime.

It is equal to p₁₇₇₈₂₁ and since 2422439 and 177821 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2422489) 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, 1211219 + 1211220.

It is an arithmetic number, because the mean of its divisors is an integer number (1211220).

2^2422439 is an apocalyptic number.

2422439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422439 is an equidigital number, since it uses as much as digits as its factorization.

2422439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 2422439 is about 1556.4186454807. The cubic root of 2422439 is about 134.3025575997.

The spelling of 2422439 in words is "two million, four hundred twenty-two thousand, four hundred thirty-nine".