229220867 has 4 divisors (see below), whose sum is σ = 229281816. Its totient is φ = 229159920.

The previous prime is 229220861. The next prime is 229220881. The reversal of 229220867 is 768022922.

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 229220867 - 2²⁶ = 162112003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229220867.

It is not an unprimeable number, because it can be changed into a prime (229220861) 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, 24434 + ... + 32487.

It is an arithmetic number, because the mean of its divisors is an integer number (57320454).

Almost surely, 2^229220867 is an apocalyptic number.

229220867 is a deficient number, since it is larger than the sum of its proper divisors (60949).

229220867 is an equidigital number, since it uses as much as digits as its factorization.

229220867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60948.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 229220867 is about 15140.0418427427. The cubic root of 229220867 is about 611.9999457118. Note that the first 4 decimals are identical.

The spelling of 229220867 in words is "two hundred twenty-nine million, two hundred twenty thousand, eight hundred sixty-seven".