225730744136 has 8 divisors (see below), whose sum is σ = 423245145270. Its totient is φ = 112865372064.

The previous prime is 225730744111. The next prime is 225730744147. The reversal of 225730744136 is 631447037522.

225730744136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 214467167236 + 11263576900 = 463106^2 + 106130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14108171501 + ... + 14108171516.

Almost surely, 2^225730744136 is an apocalyptic number.

It is an amenable number.

225730744136 is a deficient number, since it is larger than the sum of its proper divisors (197514401134).

225730744136 is a wasteful number, since it uses less digits than its factorization.

225730744136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28216343023 (or 28216343019 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 225730744136 in words is "two hundred twenty-five billion, seven hundred thirty million, seven hundred forty-four thousand, one hundred thirty-six".