273228445 has 16 divisors (see below), whose sum is σ = 375235200. Its totient is φ = 187095744.

The previous prime is 273228427. The next prime is 273228481. The reversal of 273228445 is 544822372.

It is a cyclic number.

It is not a de Polignac number, because 273228445 - 2⁵ = 273228413 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22006 + ... + 32104.

It is an arithmetic number, because the mean of its divisors is an integer number (23452200).

Almost surely, 2^273228445 is an apocalyptic number.

It is an amenable number.

273228445 is a deficient number, since it is larger than the sum of its proper divisors (102006755).

273228445 is a wasteful number, since it uses less digits than its factorization.

273228445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10884.

The product of its digits is 107520, while the sum is 37.

The square root of 273228445 is about 16529.6232564448. The cubic root of 273228445 is about 648.8963084664.

The spelling of 273228445 in words is "two hundred seventy-three million, two hundred twenty-eight thousand, four hundred forty-five".