422499109 has 4 divisors (see below), whose sum is σ = 427246380. Its totient is φ = 417751840.

The previous prime is 422499101. The next prime is 422499127. The reversal of 422499109 is 901994224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54434884 + 368064225 = 7378^2 + 19185^2 .

It is a cyclic number.

It is not a de Polignac number, because 422499109 - 2³ = 422499101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422499101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373502 + ... + 2373679.

It is an arithmetic number, because the mean of its divisors is an integer number (106811595).

Almost surely, 2^422499109 is an apocalyptic number.

It is an amenable number.

422499109 is a deficient number, since it is larger than the sum of its proper divisors (4747271).

422499109 is an equidigital number, since it uses as much as digits as its factorization.

422499109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747270.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 422499109 is about 20554.7831173185. The cubic root of 422499109 is about 750.3696601423.

The spelling of 422499109 in words is "four hundred twenty-two million, four hundred ninety-nine thousand, one hundred nine".