229992211 has 2 divisors, whose sum is σ = 229992212. Its totient is φ = 229992210.

The previous prime is 229992209. The next prime is 229992221. The reversal of 229992211 is 112299922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229992211 - 2¹ = 229992209 is a prime.

Together with 229992209, it forms a pair of twin primes.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (229992221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114996105 + 114996106.

It is an arithmetic number, because the mean of its divisors is an integer number (114996106).

Almost surely, 2^229992211 is an apocalyptic number.

229992211 is a deficient number, since it is larger than the sum of its proper divisors (1).

229992211 is an equidigital number, since it uses as much as digits as its factorization.

229992211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 37.

The square root of 229992211 is about 15165.4940902036. The cubic root of 229992211 is about 612.6856511224.

The spelling of 229992211 in words is "two hundred twenty-nine million, nine hundred ninety-two thousand, two hundred eleven".