422005455 has 12 divisors (see below), whose sum is σ = 731476200. Its totient is φ = 225069552.

The previous prime is 422005429. The next prime is 422005459. The reversal of 422005455 is 554500224.

422005455 is a `hidden beast` number, since 4 + 2 + 200 + 5 + 455 = 666.

It is not a de Polignac number, because 422005455 - 2¹³ = 421997263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422005459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4688905 + ... + 4688994.

It is an arithmetic number, because the mean of its divisors is an integer number (60956350).

Almost surely, 2^422005455 is an apocalyptic number.

422005455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

422005455 is a deficient number, since it is larger than the sum of its proper divisors (309470745).

422005455 is a wasteful number, since it uses less digits than its factorization.

422005455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377910 (or 9377907 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 422005455 is about 20542.7713563677. The cubic root of 422005455 is about 750.0772986996.

Adding to 422005455 its reverse (554500224), we get a palindrome (976505679).

The spelling of 422005455 in words is "four hundred twenty-two million, five thousand, four hundred fifty-five".