227404564236 has 144 divisors (see below), whose sum is σ = 611270438688. Its totient is φ = 73896883200.

The previous prime is 227404564117. The next prime is 227404564237. The reversal of 227404564236 is 632465404722.

227404564236 is a `hidden beast` number, since 2 + 2 + 7 + 404 + 5 + 6 + 4 + 236 = 666.

227404564236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 227404564191 and 227404564200.

It is not an unprimeable number, because it can be changed into a prime (227404564237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6683026 + ... + 6716966.

It is an arithmetic number, because the mean of its divisors is an integer number (4244933602).

Almost surely, 2^227404564236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227404564236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305635219344).

227404564236 is an abundant number, since it is smaller than the sum of its proper divisors (383865874452).

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

227404564236 is a wasteful number, since it uses less digits than its factorization.

227404564236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34134 (or 34120 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

Adding to 227404564236 its reverse (632465404722), we get a palindrome (859869968958).

The spelling of 227404564236 in words is "two hundred twenty-seven billion, four hundred four million, five hundred sixty-four thousand, two hundred thirty-six".