229170223 has 2 divisors, whose sum is σ = 229170224. Its totient is φ = 229170222.

The previous prime is 229170173. The next prime is 229170233. The reversal of 229170223 is 322071922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229170223 is a prime.

It is a super-2 number, since 2×229170223² = 105037982219739458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 229170191 and 229170200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229170233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114585111 + 114585112.

It is an arithmetic number, because the mean of its divisors is an integer number (114585112).

Almost surely, 2^229170223 is an apocalyptic number.

229170223 is a deficient number, since it is larger than the sum of its proper divisors (1).

229170223 is an equidigital number, since it uses as much as digits as its factorization.

229170223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 229170223 is about 15138.3692318559. The cubic root of 229170223 is about 611.9548706879.

The spelling of 229170223 in words is "two hundred twenty-nine million, one hundred seventy thousand, two hundred twenty-three".