2238279909 has 8 divisors (see below), whose sum is σ = 2984592000. Its totient is φ = 1492077216.

The previous prime is 2238279907. The next prime is 2238279973. The reversal of 2238279909 is 9099728322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2238279909 - 2¹ = 2238279907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238279907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63649 + ... + 92345.

It is an arithmetic number, because the mean of its divisors is an integer number (373074000).

Almost surely, 2^2238279909 is an apocalyptic number.

It is an amenable number.

2238279909 is a deficient number, since it is larger than the sum of its proper divisors (746312091).

2238279909 is a wasteful number, since it uses less digits than its factorization.

2238279909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54699.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 2238279909 is about 47310.4629971003. The cubic root of 2238279909 is about 1308.0915257102.

The spelling of 2238279909 in words is "two billion, two hundred thirty-eight million, two hundred seventy-nine thousand, nine hundred nine".