229371019 has 4 divisors (see below), whose sum is σ = 239343696. Its totient is φ = 219398344.

The previous prime is 229371013. The next prime is 229371031. The reversal of 229371019 is 910173922.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 229371019 - 2⁹ = 229370507 is a prime.

It is a super-2 number, since 2×229371019² = 105222128714196722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229371013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4986304 + ... + 4986349.

It is an arithmetic number, because the mean of its divisors is an integer number (59835924).

Almost surely, 2^229371019 is an apocalyptic number.

229371019 is a deficient number, since it is larger than the sum of its proper divisors (9972677).

229371019 is an equidigital number, since it uses as much as digits as its factorization.

229371019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972676.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 229371019 is about 15144.9998019148. Note that the first 3 decimals coincide. The cubic root of 229371019 is about 612.1335475073.

The spelling of 229371019 in words is "two hundred twenty-nine million, three hundred seventy-one thousand, nineteen".