227155 has 8 divisors (see below), whose sum is σ = 275184. Its totient is φ = 180000.

The previous prime is 227153. The next prime is 227159. The reversal of 227155 is 551722.

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

It is not a de Polignac number, because 227155 - 2¹ = 227153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227153) 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, 780 + ... + 1030.

It is an arithmetic number, because the mean of its divisors is an integer number (34398).

2²²⁷¹⁵⁵ is an apocalyptic number.

227155 is a deficient number, since it is larger than the sum of its proper divisors (48029).

227155 is a wasteful number, since it uses less digits than its factorization.

227155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

The product of its digits is 700, while the sum is 22.

The square root of 227155 is about 476.6078052235. The cubic root of 227155 is about 61.0155832265.

Adding to 227155 its reverse (551722), we get a palindrome (778877).

The spelling of 227155 in words is "two hundred twenty-seven thousand, one hundred fifty-five".