229564842 has 32 divisors (see below), whose sum is σ = 496079808. Its totient is φ = 70402176.

The previous prime is 229564837. The next prime is 229564861. The reversal of 229564842 is 248465922.

It is a junction number, because it is equal to n+sod(n) for n = 229564794 and 229564803.

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, 19713 + ... + 29115.

It is an arithmetic number, because the mean of its divisors is an integer number (15502494).

Almost surely, 2^229564842 is an apocalyptic number.

229564842 is an abundant number, since it is smaller than the sum of its proper divisors (266514966).

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

229564842 is a wasteful number, since it uses less digits than its factorization.

229564842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734.

The product of its digits is 276480, while the sum is 42.

The square root of 229564842 is about 15151.3973612997. The cubic root of 229564842 is about 612.3059205727.

The spelling of 229564842 in words is "two hundred twenty-nine million, five hundred sixty-four thousand, eight hundred forty-two".