273222009 has 12 divisors (see below), whose sum is σ = 395144256. Its totient is φ = 181921752.

The previous prime is 273221981. The next prime is 273222013. The reversal of 273222009 is 900222372.

It is not a de Polignac number, because 273222009 - 2⁹ = 273221497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (273222409) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11037 + ... + 25850.

It is an arithmetic number, because the mean of its divisors is an integer number (32928688).

Almost surely, 2^273222009 is an apocalyptic number.

It is an amenable number.

273222009 is a deficient number, since it is larger than the sum of its proper divisors (121922247).

273222009 is a wasteful number, since it uses less digits than its factorization.

273222009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37716 (or 37713 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 273222009 is about 16529.4285745152. The cubic root of 273222009 is about 648.8912134266.

The spelling of 273222009 in words is "two hundred seventy-three million, two hundred twenty-two thousand, nine".