229919347 has 12 divisors (see below), whose sum is σ = 268492720. Its totient is φ = 192867696.

The previous prime is 229919321. The next prime is 229919351. The reversal of 229919347 is 743919922.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-229919347 is a prime.

It is a super-2 number, since 2×229919347² = 105725812249812818, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229919297 and 229919306.

It is not an unprimeable number, because it can be changed into a prime (229919387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8029 + ... + 22897.

Almost surely, 2^229919347 is an apocalyptic number.

229919347 is a deficient number, since it is larger than the sum of its proper divisors (38573373).

229919347 is an equidigital number, since it uses as much as digits as its factorization.

229919347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14970 (or 14923 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 229919347 is about 15163.0916042870. The cubic root of 229919347 is about 612.6209424926.

The spelling of 229919347 in words is "two hundred twenty-nine million, nine hundred nineteen thousand, three hundred forty-seven".