229786640111 has 16 divisors (see below), whose sum is σ = 278187681024. Its totient is φ = 185289738624.

The previous prime is 229786640107. The next prime is 229786640119. The reversal of 229786640111 is 111046687922.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 229786640111 - 2² = 229786640107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229786640119) 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, 176105 + ... + 700418.

It is an arithmetic number, because the mean of its divisors is an integer number (17386730064).

Almost surely, 2^229786640111 is an apocalyptic number.

229786640111 is a deficient number, since it is larger than the sum of its proper divisors (48401040913).

229786640111 is a wasteful number, since it uses less digits than its factorization.

229786640111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878750.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 229786640111 in words is "two hundred twenty-nine billion, seven hundred eighty-six million, six hundred forty thousand, one hundred eleven".