229005541 has 4 divisors (see below), whose sum is σ = 234591084. Its totient is φ = 223420000.

The previous prime is 229005533. The next prime is 229005563. The reversal of 229005541 is 145500922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115476516 + 113529025 = 10746^2 + 10655^2 .

It is a cyclic number.

It is not a de Polignac number, because 229005541 - 2³ = 229005533 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 (229005341) 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, 2792710 + ... + 2792791.

It is an arithmetic number, because the mean of its divisors is an integer number (58647771).

Almost surely, 2^229005541 is an apocalyptic number.

It is an amenable number.

229005541 is a deficient number, since it is larger than the sum of its proper divisors (5585543).

229005541 is an equidigital number, since it uses as much as digits as its factorization.

229005541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585542.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 229005541 is about 15132.9290291074. The cubic root of 229005541 is about 611.8082517249.

It can be divided in two parts, 22900 and 5541, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 229005541 in words is "two hundred twenty-nine million, five thousand, five hundred forty-one".