229451369 has 6 divisors (see below), whose sum is σ = 266912874. Its totient is φ = 196672560.

The previous prime is 229451357. The next prime is 229451377. The reversal of 229451369 is 963154922.

It can be written as a sum of positive squares in only one way, i.e., 151782400 + 77668969 = 12320^2 + 8813^2 .

It is not a de Polignac number, because 229451369 - 2⁸ = 229451113 is a prime.

It is a super-2 number, since 2×229451369² = 105295861471948322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229451309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2341292 + ... + 2341389.

It is an arithmetic number, because the mean of its divisors is an integer number (44485479).

Almost surely, 2^229451369 is an apocalyptic number.

It is an amenable number.

229451369 is a deficient number, since it is larger than the sum of its proper divisors (37461505).

229451369 is an equidigital number, since it uses as much as digits as its factorization.

229451369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682695 (or 4682688 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 229451369 is about 15147.6522603339. The cubic root of 229451369 is about 612.2050171414.

The spelling of 229451369 in words is "two hundred twenty-nine million, four hundred fifty-one thousand, three hundred sixty-nine".