229444555857 has 16 divisors (see below), whose sum is σ = 335666662848. Its totient is φ = 138253503680.

The previous prime is 229444555853. The next prime is 229444555891. The reversal of 229444555857 is 758555444922.

It is a cyclic number.

It is not a de Polignac number, because 229444555857 - 2² = 229444555853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229444555857.

It is not an unprimeable number, because it can be changed into a prime (229444555853) 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, 20089278 + ... + 20100695.

It is an arithmetic number, because the mean of its divisors is an integer number (20979166428).

Almost surely, 2^229444555857 is an apocalyptic number.

It is an amenable number.

229444555857 is a deficient number, since it is larger than the sum of its proper divisors (106222106991).

229444555857 is a wasteful number, since it uses less digits than its factorization.

229444555857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40190160.

The product of its digits is 80640000, while the sum is 60.

The spelling of 229444555857 in words is "two hundred twenty-nine billion, four hundred forty-four million, five hundred fifty-five thousand, eight hundred fifty-seven".