214244009 has 4 divisors (see below), whose sum is σ = 244850304. Its totient is φ = 183637716.

The previous prime is 214243993. The next prime is 214244021. The reversal of 214244009 is 900442412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214244009 - 2⁴ = 214243993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214244039) 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, 15303137 + ... + 15303150.

It is an arithmetic number, because the mean of its divisors is an integer number (61212576).

Almost surely, 2^214244009 is an apocalyptic number.

It is an amenable number.

214244009 is a deficient number, since it is larger than the sum of its proper divisors (30606295).

214244009 is an equidigital number, since it uses as much as digits as its factorization.

214244009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30606294.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 214244009 is about 14637.0765182122. The cubic root of 214244009 is about 598.3696563861.

The spelling of 214244009 in words is "two hundred fourteen million, two hundred forty-four thousand, nine".