229158443 has 2 divisors, whose sum is σ = 229158444. Its totient is φ = 229158442.

The previous prime is 229158331. The next prime is 229158473. The reversal of 229158443 is 344851922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229158443 - 2²⁴ = 212381227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229158397 and 229158406.

It is not a weakly prime, because it can be changed into another prime (229158473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114579221 + 114579222.

It is an arithmetic number, because the mean of its divisors is an integer number (114579222).

Almost surely, 2^229158443 is an apocalyptic number.

229158443 is a deficient number, since it is larger than the sum of its proper divisors (1).

229158443 is an equidigital number, since it uses as much as digits as its factorization.

229158443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 229158443 is about 15137.9801492802. The cubic root of 229158443 is about 611.9443851024.

The spelling of 229158443 in words is "two hundred twenty-nine million, one hundred fifty-eight thousand, four hundred forty-three".