227516231 has 2 divisors, whose sum is σ = 227516232. Its totient is φ = 227516230.

The previous prime is 227516221. The next prime is 227516243. The reversal of 227516231 is 132615722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227516231 - 2¹⁴ = 227499847 is a prime.

It is a super-2 number, since 2×227516231² = 103527270736890722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_12513638 and since 227516231 and 12513638 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 227516194 and 227516203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227516221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113758115 + 113758116.

It is an arithmetic number, because the mean of its divisors is an integer number (113758116).

Almost surely, 2^227516231 is an apocalyptic number.

227516231 is a deficient number, since it is larger than the sum of its proper divisors (1).

227516231 is an equidigital number, since it uses as much as digits as its factorization.

227516231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 227516231 is about 15083.6411718126. The cubic root of 227516231 is about 610.4790924044.

It can be divided in two parts, 22751 and 6231, that added together give a palindrome (28982).

The spelling of 227516231 in words is "two hundred twenty-seven million, five hundred sixteen thousand, two hundred thirty-one".