229564466 has 4 divisors (see below), whose sum is σ = 344346702. Its totient is φ = 114782232.

The previous prime is 229564463. The next prime is 229564499. The reversal of 229564466 is 664465922.

229564466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 215238241 + 14326225 = 14671^2 + 3785^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229564463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57391115 + ... + 57391118.

Almost surely, 2^229564466 is an apocalyptic number.

229564466 is a deficient number, since it is larger than the sum of its proper divisors (114782236).

229564466 is a wasteful number, since it uses less digits than its factorization.

229564466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114782235.

The product of its digits is 622080, while the sum is 44.

The square root of 229564466 is about 15151.3849531982. The cubic root of 229564466 is about 612.3055862776.

The spelling of 229564466 in words is "two hundred twenty-nine million, five hundred sixty-four thousand, four hundred sixty-six".