229928667 has 4 divisors (see below), whose sum is σ = 306571560. Its totient is φ = 153285776.

The previous prime is 229928639. The next prime is 229928669. The reversal of 229928667 is 766829922.

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 229928667 - 2⁶ = 229928603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229928669) 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, 38321442 + ... + 38321447.

It is an arithmetic number, because the mean of its divisors is an integer number (76642890).

Almost surely, 2^229928667 is an apocalyptic number.

229928667 is a deficient number, since it is larger than the sum of its proper divisors (76642893).

229928667 is an equidigital number, since it uses as much as digits as its factorization.

229928667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76642892.

The product of its digits is 1306368, while the sum is 51.

The square root of 229928667 is about 15163.3989263621. The cubic root of 229928667 is about 612.6292201055.

The spelling of 229928667 in words is "two hundred twenty-nine million, nine hundred twenty-eight thousand, six hundred sixty-seven".