229404845 has 4 divisors (see below), whose sum is σ = 275285820. Its totient is φ = 183523872.

The previous prime is 229404839. The next prime is 229404853. The reversal of 229404845 is 548404922.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 118439689 + 110965156 = 10883^2 + 10534^2 .

It is a cyclic number.

It is not a de Polignac number, because 229404845 - 2⁶ = 229404781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229404799 and 229404808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22940480 + ... + 22940489.

It is an arithmetic number, because the mean of its divisors is an integer number (68821455).

Almost surely, 2^229404845 is an apocalyptic number.

It is an amenable number.

229404845 is a deficient number, since it is larger than the sum of its proper divisors (45880975).

229404845 is an equidigital number, since it uses as much as digits as its factorization.

229404845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45880974.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 229404845 is about 15146.1164989577. The cubic root of 229404845 is about 612.1636370563.

The spelling of 229404845 in words is "two hundred twenty-nine million, four hundred four thousand, eight hundred forty-five".