422009455 has 16 divisors (see below), whose sum is σ = 579930624. Its totient is φ = 288790560.

The previous prime is 422009447. The next prime is 422009459. The reversal of 422009455 is 554900224.

It is not a de Polignac number, because 422009455 - 2³ = 422009447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422009459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5620 + ... + 29590.

It is an arithmetic number, because the mean of its divisors is an integer number (36245664).

Almost surely, 2^422009455 is an apocalyptic number.

422009455 is a deficient number, since it is larger than the sum of its proper divisors (157921169).

422009455 is a wasteful number, since it uses less digits than its factorization.

422009455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 422009455 is about 20542.8687139844. The cubic root of 422009455 is about 750.0796685740.

Adding to 422009455 its reverse (554900224), we get a palindrome (976909679).

The spelling of 422009455 in words is "four hundred twenty-two million, nine thousand, four hundred fifty-five".