229720763 has 4 divisors (see below), whose sum is σ = 231995328. Its totient is φ = 227446200.

The previous prime is 229720741. The next prime is 229720781. The reversal of 229720763 is 367027922.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 229720763 - 2¹⁰ = 229719739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229720163) 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, 1137131 + ... + 1137332.

It is an arithmetic number, because the mean of its divisors is an integer number (57998832).

Almost surely, 2^229720763 is an apocalyptic number.

229720763 is a deficient number, since it is larger than the sum of its proper divisors (2274565).

229720763 is a wasteful number, since it uses less digits than its factorization.

229720763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274564.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 229720763 is about 15156.5419209000. The cubic root of 229720763 is about 612.4445157570. Note that the first 3 decimals are identical.

The spelling of 229720763 in words is "two hundred twenty-nine million, seven hundred twenty thousand, seven hundred sixty-three".