227216055 has 32 divisors (see below), whose sum is σ = 406280448. Its totient is φ = 107475200.

The previous prime is 227216053. The next prime is 227216071. The reversal of 227216055 is 550612722.

It is not a de Polignac number, because 227216055 - 2¹ = 227216053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227216051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10029 + ... + 23558.

It is an arithmetic number, because the mean of its divisors is an integer number (12696264).

Almost surely, 2^227216055 is an apocalyptic number.

227216055 is a deficient number, since it is larger than the sum of its proper divisors (179064393).

227216055 is a wasteful number, since it uses less digits than its factorization.

227216055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33647.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 227216055 is about 15073.6875050533. The cubic root of 227216055 is about 610.2104935124.

Adding to 227216055 its reverse (550612722), we get a palindrome (777828777).

The spelling of 227216055 in words is "two hundred twenty-seven million, two hundred sixteen thousand, fifty-five".