422234145 has 24 divisors (see below), whose sum is σ = 732416256. Its totient is φ = 225024288.

The previous prime is 422234123. The next prime is 422234191. The reversal of 422234145 is 541432224.

422234145 is a `hidden beast` number, since 422 + 234 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 422234145 - 2¹⁰ = 422233121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79462 + ... + 84608.

It is an arithmetic number, because the mean of its divisors is an integer number (30517344).

Almost surely, 2^422234145 is an apocalyptic number.

422234145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422234145 is a deficient number, since it is larger than the sum of its proper divisors (310182111).

422234145 is a wasteful number, since it uses less digits than its factorization.

422234145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981 (or 6978 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 422234145 is about 20548.3367940084. The cubic root of 422234145 is about 750.2127663016.

Adding to 422234145 its reverse (541432224), we get a palindrome (963666369).

The spelling of 422234145 in words is "four hundred twenty-two million, two hundred thirty-four thousand, one hundred forty-five".