227042681 has 2 divisors, whose sum is σ = 227042682. Its totient is φ = 227042680.

The previous prime is 227042639. The next prime is 227042713. The reversal of 227042681 is 186240722.

227042681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (227042713) can be obtained adding 227042681 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 112360000 = 10709^2 + 10600^2 .

It is a cyclic number.

It is not a de Polignac number, because 227042681 - 2⁶ = 227042617 is a prime.

It is a super-2 number, since 2×227042681² = 103096757991335522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (227002681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113521340 + 113521341.

It is an arithmetic number, because the mean of its divisors is an integer number (113521341).

Almost surely, 2^227042681 is an apocalyptic number.

It is an amenable number.

227042681 is a deficient number, since it is larger than the sum of its proper divisors (1).

227042681 is an equidigital number, since it uses as much as digits as its factorization.

227042681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 227042681 is about 15067.9355254793. The cubic root of 227042681 is about 610.0552498555.

The spelling of 227042681 in words is "two hundred twenty-seven million, forty-two thousand, six hundred eighty-one".