229440263 has 16 divisors (see below), whose sum is σ = 251661312. Its totient is φ = 207900000.

The previous prime is 229440259. The next prime is 229440287. The reversal of 229440263 is 362044922.

It is a cyclic number.

It is not a de Polignac number, because 229440263 - 2² = 229440259 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229400263) 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 15 ways as a sum of consecutive naturals, for example, 305138 + ... + 305888.

It is an arithmetic number, because the mean of its divisors is an integer number (15728832).

Almost surely, 2^229440263 is an apocalyptic number.

229440263 is a deficient number, since it is larger than the sum of its proper divisors (22221049).

229440263 is a wasteful number, since it uses less digits than its factorization.

229440263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 229440263 is about 15147.2856644351. The cubic root of 229440263 is about 612.1951395819.

The spelling of 229440263 in words is "two hundred twenty-nine million, four hundred forty thousand, two hundred sixty-three".