229229769 has 4 divisors (see below), whose sum is σ = 305639696. Its totient is φ = 152819844.

The previous prime is 229229743. The next prime is 229229771. The reversal of 229229769 is 967922922.

229229769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 229229769 - 2¹² = 229225673 is a prime.

It is a super-4 number, since 4×229229769⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229229719) 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, 38204959 + ... + 38204964.

It is an arithmetic number, because the mean of its divisors is an integer number (76409924).

Almost surely, 2^229229769 is an apocalyptic number.

It is an amenable number.

229229769 is a deficient number, since it is larger than the sum of its proper divisors (76409927).

229229769 is an equidigital number, since it uses as much as digits as its factorization.

229229769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76409926.

The product of its digits is 489888, while the sum is 48.

The square root of 229229769 is about 15140.3358285079. The cubic root of 229229769 is about 612.0078681333.

The spelling of 229229769 in words is "two hundred twenty-nine million, two hundred twenty-nine thousand, seven hundred sixty-nine".