228324866507 has 4 divisors (see below), whose sum is σ = 238252034640. Its totient is φ = 218397698376.

The previous prime is 228324866477. The next prime is 228324866513. The reversal of 228324866507 is 705668423822.

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 228324866507 - 2⁶ = 228324866443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228324866537) 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, 4963584032 + ... + 4963584077.

It is an arithmetic number, because the mean of its divisors is an integer number (59563008660).

Almost surely, 2^228324866507 is an apocalyptic number.

228324866507 is a deficient number, since it is larger than the sum of its proper divisors (9927168133).

228324866507 is an equidigital number, since it uses as much as digits as its factorization.

228324866507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927168132.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 228324866507 in words is "two hundred twenty-eight billion, three hundred twenty-four million, eight hundred sixty-six thousand, five hundred seven".