227156 has 12 divisors (see below), whose sum is σ = 401940. Its totient is φ = 112320.

The previous prime is 227153. The next prime is 227159. The reversal of 227156 is 651722.

It is an interprime number because it is at equal distance from previous prime (227153) and next prime (227159).

It can be written as a sum of positive squares in 2 ways, for example, as 111556 + 115600 = 334^2 + 340^2 .

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 696.

It is an arithmetic number, because the mean of its divisors is an integer number (33495).

2²²⁷¹⁵⁶ is an apocalyptic number.

It is an amenable number.

227156 is a deficient number, since it is larger than the sum of its proper divisors (174784).

227156 is a wasteful number, since it uses less digits than its factorization.

227156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 227156 is about 476.6088543030. The cubic root of 227156 is about 61.0156727622.

Adding to 227156 its reverse (651722), we get a palindrome (878878).

It can be divided in two parts, 227 and 156, that added together give a palindrome (383).

The spelling of 227156 in words is "two hundred twenty-seven thousand, one hundred fifty-six".