229469761 has 4 divisors (see below), whose sum is σ = 229910724. Its totient is φ = 229028800.

The previous prime is 229469759. The next prime is 229469767. The reversal of 229469761 is 167964922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 167964922 = 2 ⋅83982461.

It can be written as a sum of positive squares in 2 ways, for example, as 81993025 + 147476736 = 9055^2 + 12144^2 .

It is a cyclic number.

It is not a de Polignac number, because 229469761 - 2¹ = 229469759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229469767) 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, 219700 + ... + 220741.

It is an arithmetic number, because the mean of its divisors is an integer number (57477681).

Almost surely, 2^229469761 is an apocalyptic number.

It is an amenable number.

229469761 is a deficient number, since it is larger than the sum of its proper divisors (440963).

229469761 is an equidigital number, since it uses as much as digits as its factorization.

229469761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440962.

The product of its digits is 326592, while the sum is 46.

The square root of 229469761 is about 15148.2593389472. The cubic root of 229469761 is about 612.2213740916.

The spelling of 229469761 in words is "two hundred twenty-nine million, four hundred sixty-nine thousand, seven hundred sixty-one".