227770013 has 2 divisors, whose sum is σ = 227770014. Its totient is φ = 227770012.

The previous prime is 227770009. The next prime is 227770019. The reversal of 227770013 is 310077722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135187129 + 92582884 = 11627^2 + 9622^2 .

It is a cyclic number.

It is not a de Polignac number, because 227770013 - 2² = 227770009 is a prime.

It is equal to p_12526643 and since 227770013 and 12526643 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227770019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113885006 + 113885007.

It is an arithmetic number, because the mean of its divisors is an integer number (113885007).

Almost surely, 2^227770013 is an apocalyptic number.

It is an amenable number.

227770013 is a deficient number, since it is larger than the sum of its proper divisors (1).

227770013 is an equidigital number, since it uses as much as digits as its factorization.

227770013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 227770013 is about 15092.0513184921. The cubic root of 227770013 is about 610.7059934848.

The spelling of 227770013 in words is "two hundred twenty-seven million, seven hundred seventy thousand, thirteen".