227150281 has 2 divisors, whose sum is σ = 227150282. Its totient is φ = 227150280.

The previous prime is 227150267. The next prime is 227150309. The reversal of 227150281 is 182051722.

It is an a-pointer prime, because the next prime (227150309) can be obtained adding 227150281 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172685881 + 54464400 = 13141^2 + 7380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227150281 is a prime.

It is a super-2 number, since 2×227150281² = 103194500316757922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227850281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113575140 + 113575141.

It is an arithmetic number, because the mean of its divisors is an integer number (113575141).

Almost surely, 2^227150281 is an apocalyptic number.

It is an amenable number.

227150281 is a deficient number, since it is larger than the sum of its proper divisors (1).

227150281 is an equidigital number, since it uses as much as digits as its factorization.

227150281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 227150281 is about 15071.5055983137. The cubic root of 227150281 is about 610.1516070362.

The spelling of 227150281 in words is "two hundred twenty-seven million, one hundred fifty thousand, two hundred eighty-one".