229797549 has 12 divisors (see below), whose sum is σ = 332652736. Its totient is φ = 152864712.

The previous prime is 229797539. The next prime is 229797569. The reversal of 229797549 is 945797922.

229797549 is a `hidden beast` number, since 2 + 2 + 9 + 7 + 97 + 549 = 666.

It is not a de Polignac number, because 229797549 - 2²⁰ = 228748973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 229797495 and 229797504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229797539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23407 + ... + 31740.

Almost surely, 2^229797549 is an apocalyptic number.

It is an amenable number.

229797549 is a deficient number, since it is larger than the sum of its proper divisors (102855187).

229797549 is a wasteful number, since it uses less digits than its factorization.

229797549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55616 (or 55613 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 229797549 is about 15159.0748068607. The cubic root of 229797549 is about 612.5127463126.

The spelling of 229797549 in words is "two hundred twenty-nine million, seven hundred ninety-seven thousand, five hundred forty-nine".