229976213 has 2 divisors, whose sum is σ = 229976214. Its totient is φ = 229976212.

The previous prime is 229976191. The next prime is 229976231. The reversal of 229976213 is 312679922.

229976213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (229976231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165302449 + 64673764 = 12857^2 + 8042^2 .

It is a cyclic number.

It is not a de Polignac number, because 229976213 - 2¹⁰ = 229975189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229976273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114988106 + 114988107.

It is an arithmetic number, because the mean of its divisors is an integer number (114988107).

Almost surely, 2^229976213 is an apocalyptic number.

It is an amenable number.

229976213 is a deficient number, since it is larger than the sum of its proper divisors (1).

229976213 is an equidigital number, since it uses as much as digits as its factorization.

229976213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 229976213 is about 15164.9666336593. The cubic root of 229976213 is about 612.6714448843.

The spelling of 229976213 in words is "two hundred twenty-nine million, nine hundred seventy-six thousand, two hundred thirteen".