229322073 has 4 divisors (see below), whose sum is σ = 305762768. Its totient is φ = 152881380.

The previous prime is 229322063. The next prime is 229322081. The reversal of 229322073 is 370223922.

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 229322073 - 2⁴ = 229322057 is a prime.

It is a super-2 number, since 2×229322073² = 105177226330034658, which contains 22 as substring.

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 229322073.

It is not an unprimeable number, because it can be changed into a prime (229322063) 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, 38220343 + ... + 38220348.

It is an arithmetic number, because the mean of its divisors is an integer number (76440692).

Almost surely, 2^229322073 is an apocalyptic number.

It is an amenable number.

229322073 is a deficient number, since it is larger than the sum of its proper divisors (76440695).

229322073 is an equidigital number, since it uses as much as digits as its factorization.

229322073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76440694.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 229322073 is about 15143.3838028361. The cubic root of 229322073 is about 612.0900028895.

Adding to 229322073 its reverse (370223922), we get a palindrome (599545995).

The spelling of 229322073 in words is "two hundred twenty-nine million, three hundred twenty-two thousand, seventy-three".