229689711 has 12 divisors (see below), whose sum is σ = 331913088. Its totient is φ = 153062304.

The previous prime is 229689709. The next prime is 229689721. The reversal of 229689711 is 117986922.

It is not a de Polignac number, because 229689711 - 2¹ = 229689709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229689701) 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, 28786 + ... + 35888.

It is an arithmetic number, because the mean of its divisors is an integer number (27659424).

Almost surely, 2^229689711 is an apocalyptic number.

229689711 is a deficient number, since it is larger than the sum of its proper divisors (102223377).

229689711 is a wasteful number, since it uses less digits than its factorization.

229689711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702 (or 10699 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 229689711 is about 15155.5175101347. The cubic root of 229689711 is about 612.4169192324.

It can be divided in two parts, 229689 and 711, that added together give a square (230400 = 480²).

The spelling of 229689711 in words is "two hundred twenty-nine million, six hundred eighty-nine thousand, seven hundred eleven".