225691334570 has 32 divisors (see below), whose sum is σ = 437517717840. Its totient is φ = 83327662080.

The previous prime is 225691334549. The next prime is 225691334573. The reversal of 225691334570 is 75433196522.

It can be written as a sum of positive squares in 8 ways, for example, as 59551128961 + 166140205609 = 244031^2 + 407603^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225691334573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3231176 + ... + 3300284.

Almost surely, 2^225691334570 is an apocalyptic number.

225691334570 is a deficient number, since it is larger than the sum of its proper divisors (211826383270).

225691334570 is a wasteful number, since it uses less digits than its factorization.

225691334570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94250.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 225691334570 in words is "two hundred twenty-five billion, six hundred ninety-one million, three hundred thirty-four thousand, five hundred seventy".