422140005 has 160 divisors (see below), whose sum is σ = 965986560. Its totient is φ = 171694080.

The previous prime is 422140003. The next prime is 422140007. The reversal of 422140005 is 500041224.

It is an interprime number because it is at equal distance from previous prime (422140003) and next prime (422140007).

It is not a de Polignac number, because 422140005 - 2¹ = 422140003 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 422140005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422140003) 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 in 159 ways as a sum of consecutive naturals, for example, 915475 + ... + 915935.

It is an arithmetic number, because the mean of its divisors is an integer number (6037416).

Almost surely, 2^422140005 is an apocalyptic number.

422140005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422140005 is an abundant number, since it is smaller than the sum of its proper divisors (543846555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422140005 is a wasteful number, since it uses less digits than its factorization.

422140005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 422140005 is about 20546.0459699671. The cubic root of 422140005 is about 750.1570071294.

Adding to 422140005 its reverse (500041224), we get a palindrome (922181229).

The spelling of 422140005 in words is "four hundred twenty-two million, one hundred forty thousand, five".