422439895 has 16 divisors (see below), whose sum is σ = 510679008. Its totient is φ = 335462400.

The previous prime is 422439893. The next prime is 422439907. The reversal of 422439895 is 598934224.

It is not a de Polignac number, because 422439895 - 2¹ = 422439893 is a prime.

It is a super-2 number, since 2×422439895² = 356910929775222050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422439893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702595 + ... + 703195.

It is an arithmetic number, because the mean of its divisors is an integer number (31917438).

Almost surely, 2^422439895 is an apocalyptic number.

422439895 is a deficient number, since it is larger than the sum of its proper divisors (88239113).

422439895 is a wasteful number, since it uses less digits than its factorization.

422439895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410.

The product of its digits is 622080, while the sum is 46.

The square root of 422439895 is about 20553.3426721787. The cubic root of 422439895 is about 750.3346032912.

The spelling of 422439895 in words is "four hundred twenty-two million, four hundred thirty-nine thousand, eight hundred ninety-five".