229017855018 has 32 divisors (see below), whose sum is σ = 459622066176. Its totient is φ = 76075232768.

The previous prime is 229017855007. The next prime is 229017855029. The reversal of 229017855018 is 810558710922.

It is an interprime number because it is at equal distance from previous prime (229017855007) and next prime (229017855029).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699746 + ... + 2783282.

It is an arithmetic number, because the mean of its divisors is an integer number (14363189568).

Almost surely, 2^229017855018 is an apocalyptic number.

229017855018 is an abundant number, since it is smaller than the sum of its proper divisors (230604211158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229017855018 is a wasteful number, since it uses less digits than its factorization.

229017855018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85118.

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 229017855018 in words is "two hundred twenty-nine billion, seventeen million, eight hundred fifty-five thousand, eighteen".