229729707 has 12 divisors (see below), whose sum is σ = 340800720. Its totient is φ = 149013648.

The previous prime is 229729697. The next prime is 229729769. The reversal of 229729707 is 707927922.

It is not a de Polignac number, because 229729707 - 2⁴ = 229729691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229729207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344607 + ... + 345272.

It is an arithmetic number, because the mean of its divisors is an integer number (28400060).

Almost surely, 2^229729707 is an apocalyptic number.

229729707 is a deficient number, since it is larger than the sum of its proper divisors (111071013).

229729707 is a wasteful number, since it uses less digits than its factorization.

229729707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689922 (or 689919 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 229729707 is about 15156.8369721390. The cubic root of 229729707 is about 612.4524640049.

The spelling of 229729707 in words is "two hundred twenty-nine million, seven hundred twenty-nine thousand, seven hundred seven".