227920013 has 2 divisors, whose sum is σ = 227920014. Its totient is φ = 227920012.

The previous prime is 227920001. The next prime is 227920051. The reversal of 227920013 is 310029722.

227920013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191462569 + 36457444 = 13837^2 + 6038^2 .

It is a cyclic number.

It is not a de Polignac number, because 227920013 - 2¹⁶ = 227854477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227920093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113960006 + 113960007.

It is an arithmetic number, because the mean of its divisors is an integer number (113960007).

Almost surely, 2^227920013 is an apocalyptic number.

It is an amenable number.

227920013 is a deficient number, since it is larger than the sum of its proper divisors (1).

227920013 is an equidigital number, since it uses as much as digits as its factorization.

227920013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 227920013 is about 15097.0200039610. The cubic root of 227920013 is about 610.8400260496.

Adding to 227920013 its reverse (310029722), we get a palindrome (537949735).

The spelling of 227920013 in words is "two hundred twenty-seven million, nine hundred twenty thousand, thirteen".