225959390657 has 16 divisors (see below), whose sum is σ = 303386036352. Its totient is φ = 162528232320.

The previous prime is 225959390647. The next prime is 225959390711. The reversal of 225959390657 is 756093959522.

225959390657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 225959390657 - 2⁴ = 225959390641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225959390657.

It is not an unprimeable number, because it can be changed into a prime (225959390617) 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 15 ways as a sum of consecutive naturals, for example, 112865828 + ... + 112867829.

It is an arithmetic number, because the mean of its divisors is an integer number (18961627272).

Almost surely, 2^225959390657 is an apocalyptic number.

It is an amenable number.

225959390657 is a deficient number, since it is larger than the sum of its proper divisors (77426645695).

225959390657 is a wasteful number, since it uses less digits than its factorization.

225959390657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225733688.

The product of its (nonzero) digits is 45927000, while the sum is 62.

It can be divided in two parts, 225959 and 390657, that added together give a palindrome (616616).

The spelling of 225959390657 in words is "two hundred twenty-five billion, nine hundred fifty-nine million, three hundred ninety thousand, six hundred fifty-seven".