229494109 has 4 divisors (see below), whose sum is σ = 247147516. Its totient is φ = 211840704.

The previous prime is 229494077. The next prime is 229494127. The reversal of 229494109 is 901494922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901494922 = 2 ⋅450747461.

It can be written as a sum of positive squares in 2 ways, for example, as 31304025 + 198190084 = 5595^2 + 14078^2 .

It is a cyclic number.

It is not a de Polignac number, because 229494109 - 2⁵ = 229494077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229494149) 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, 8826684 + ... + 8826709.

It is an arithmetic number, because the mean of its divisors is an integer number (61786879).

Almost surely, 2^229494109 is an apocalyptic number.

It is an amenable number.

229494109 is a deficient number, since it is larger than the sum of its proper divisors (17653407).

229494109 is a wasteful number, since it uses less digits than its factorization.

229494109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17653406.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 229494109 is about 15149.0629743229. The cubic root of 229494109 is about 612.2430266741.

The spelling of 229494109 in words is "two hundred twenty-nine million, four hundred ninety-four thousand, one hundred nine".