422184899 has 4 divisors (see below), whose sum is σ = 423317136. Its totient is φ = 421052664.

The previous prime is 422184887. The next prime is 422184901. The reversal of 422184899 is 998481224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422184899 - 2²⁰ = 421136323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422184809) 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 3 ways as a sum of consecutive naturals, for example, 565559 + ... + 566304.

It is an arithmetic number, because the mean of its divisors is an integer number (105829284).

Almost surely, 2^422184899 is an apocalyptic number.

422184899 is a deficient number, since it is larger than the sum of its proper divisors (1132237).

422184899 is a wasteful number, since it uses less digits than its factorization.

422184899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132236.

The product of its digits is 331776, while the sum is 47.

The square root of 422184899 is about 20547.1384625694. The cubic root of 422184899 is about 750.1835989034.

The spelling of 422184899 in words is "four hundred twenty-two million, one hundred eighty-four thousand, eight hundred ninety-nine".