229617305855 has 32 divisors (see below), whose sum is σ = 316804400640. Its totient is φ = 156502327680.

The previous prime is 229617305839. The next prime is 229617305861. The reversal of 229617305855 is 558503716922.

It is a Cunningham number, because it is equal to 479184²-1.

It is not a de Polignac number, because 229617305855 - 2⁴ = 229617305839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229617305797 and 229617305806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16764560 + ... + 16778250.

It is an arithmetic number, because the mean of its divisors is an integer number (9900137520).

Almost surely, 2^229617305855 is an apocalyptic number.

229617305855 is a deficient number, since it is larger than the sum of its proper divisors (87187094785).

229617305855 is a wasteful number, since it uses less digits than its factorization.

229617305855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16559.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 229617305855 in words is "two hundred twenty-nine billion, six hundred seventeen million, three hundred five thousand, eight hundred fifty-five".