229085745 has 32 divisors (see below), whose sum is σ = 419758848. Its totient is φ = 104510208.

The previous prime is 229085743. The next prime is 229085749. The reversal of 229085745 is 547580922.

229085745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 229085745 - 2¹ = 229085743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229085697 and 229085706.

It is not an unprimeable number, because it can be changed into a prime (229085741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56527 + ... + 60443.

It is an arithmetic number, because the mean of its divisors is an integer number (13117464).

Almost surely, 2^229085745 is an apocalyptic number.

It is an amenable number.

229085745 is a deficient number, since it is larger than the sum of its proper divisors (190673103).

229085745 is a wasteful number, since it uses less digits than its factorization.

229085745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 229085745 is about 15135.5787798155. The cubic root of 229085745 is about 611.8796673792.

The spelling of 229085745 in words is "two hundred twenty-nine million, eighty-five thousand, seven hundred forty-five".