229106691 has 16 divisors (see below), whose sum is σ = 370273920. Its totient is φ = 138852360.

The previous prime is 229106681. The next prime is 229106719. The reversal of 229106691 is 196601922.

229106691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 229106691 - 2⁵ = 229106659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229106621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385405 + ... + 385998.

It is an arithmetic number, because the mean of its divisors is an integer number (23142120).

Almost surely, 2^229106691 is an apocalyptic number.

229106691 is a deficient number, since it is larger than the sum of its proper divisors (141167229).

229106691 is a wasteful number, since it uses less digits than its factorization.

229106691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771423 (or 771417 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 229106691 is about 15136.2707097885. The cubic root of 229106691 is about 611.8983154781.

The spelling of 229106691 in words is "two hundred twenty-nine million, one hundred six thousand, six hundred ninety-one".