229224815 has 4 divisors (see below), whose sum is σ = 275069784. Its totient is φ = 183379848.

The previous prime is 229224811. The next prime is 229224829. The reversal of 229224815 is 518422922.

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 229224815 - 2² = 229224811 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 (229224811) 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, 22922477 + ... + 22922486.

It is an arithmetic number, because the mean of its divisors is an integer number (68767446).

Almost surely, 2^229224815 is an apocalyptic number.

229224815 is a deficient number, since it is larger than the sum of its proper divisors (45844969).

229224815 is an equidigital number, since it uses as much as digits as its factorization.

229224815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45844968.

The product of its digits is 23040, while the sum is 35.

The square root of 229224815 is about 15140.1722249121. The cubic root of 229224815 is about 612.0034592981.

The spelling of 229224815 in words is "two hundred twenty-nine million, two hundred twenty-four thousand, eight hundred fifteen".