229365617 has 6 divisors (see below), whose sum is σ = 248366502. Its totient is φ = 211721952.

The previous prime is 229365601. The next prime is 229365629. The reversal of 229365617 is 716563922.

It can be written as a sum of positive squares in 3 ways, for example, as 24990001 + 204375616 = 4999^2 + 14296^2 .

It is not a de Polignac number, because 229365617 - 2⁴ = 229365601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229365317) 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, 678428 + ... + 678765.

It is an arithmetic number, because the mean of its divisors is an integer number (41394417).

Almost surely, 2^229365617 is an apocalyptic number.

It is an amenable number.

229365617 is a deficient number, since it is larger than the sum of its proper divisors (19000885).

229365617 is a wasteful number, since it uses less digits than its factorization.

229365617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357219 (or 1357206 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 229365617 is about 15144.8214581751. The cubic root of 229365617 is about 612.1287419432.

It can be divided in two parts, 22 and 9365617, that added together give a palindrome (9365639).

The spelling of 229365617 in words is "two hundred twenty-nine million, three hundred sixty-five thousand, six hundred seventeen".