229935573522 has 18 divisors (see below), whose sum is σ = 498198150567. Its totient is φ = 76644513036.

The previous prime is 229935573509. The next prime is 229935573523. The reversal of 229935573522 is 225375539922.

It is a happy number.

229935573522 is a `hidden beast` number, since 2 + 29 + 93 + 5 + 5 + 7 + 3 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 114967786761 + 114967786761 = 339069^2 + 339069^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=339069.

It is not an unprimeable number, because it can be changed into a prime (229935573523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1977903 + ... + 2090925.

Almost surely, 2^229935573522 is an apocalyptic number.

229935573522 is an abundant number, since it is smaller than the sum of its proper divisors (268262577045).

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

229935573522 is an frugal number, since it uses more digits than its factorization.

229935573522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226054 (or 113028 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 54.

The spelling of 229935573522 in words is "two hundred twenty-nine billion, nine hundred thirty-five million, five hundred seventy-three thousand, five hundred twenty-two".