229945019 has 4 divisors (see below), whose sum is σ = 230128920. Its totient is φ = 229761120.

The previous prime is 229945013. The next prime is 229945039. The reversal of 229945019 is 910549922.

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 229945019 - 2¹² = 229940923 is a prime.

It is a super-2 number, since 2×229945019² = 105749423525820722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229945013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90062 + ... + 92579.

It is an arithmetic number, because the mean of its divisors is an integer number (57532230).

Almost surely, 2^229945019 is an apocalyptic number.

229945019 is a deficient number, since it is larger than the sum of its proper divisors (183901).

229945019 is a wasteful number, since it uses less digits than its factorization.

229945019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183900.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 229945019 is about 15163.9381098711. The cubic root of 229945019 is about 612.6437426900.

The spelling of 229945019 in words is "two hundred twenty-nine million, nine hundred forty-five thousand, nineteen".