229546538 has 32 divisors (see below), whose sum is σ = 380881872. Its totient is φ = 103104000.

The previous prime is 229546519. The next prime is 229546561. The reversal of 229546538 is 835645922.

It can be written as a sum of positive squares in 8 ways, for example, as 109139809 + 120406729 = 10447^2 + 10973^2 .

It is a super-2 number, since 2×229546538² = 105383226215570888, which contains 22 as substring.

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, 159470 + ... + 160902.

Almost surely, 2^229546538 is an apocalyptic number.

229546538 is a deficient number, since it is larger than the sum of its proper divisors (151335334).

229546538 is a wasteful number, since it uses less digits than its factorization.

229546538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its digits is 518400, while the sum is 44.

The square root of 229546538 is about 15150.7933125629. The cubic root of 229546538 is about 612.2896463828.

It can be divided in two parts, 22954 and 6538, that added together give a palindrome (29492).

The spelling of 229546538 in words is "two hundred twenty-nine million, five hundred forty-six thousand, five hundred thirty-eight".