225556101465 has 32 divisors (see below), whose sum is σ = 363962695680. Its totient is φ = 119273482944.

The previous prime is 225556101403. The next prime is 225556101467. The reversal of 225556101465 is 564101655522.

It is not a de Polignac number, because 225556101465 - 2⁸ = 225556101209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225556101467) 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 31 ways as a sum of consecutive naturals, for example, 3024496 + ... + 3098174.

It is an arithmetic number, because the mean of its divisors is an integer number (11373834240).

Almost surely, 2^225556101465 is an apocalyptic number.

It is an amenable number.

225556101465 is a deficient number, since it is larger than the sum of its proper divisors (138406594215).

225556101465 is a wasteful number, since it uses less digits than its factorization.

225556101465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75421.

The product of its (nonzero) digits is 360000, while the sum is 42.

Adding to 225556101465 its reverse (564101655522), we get a palindrome (789657756987).

The spelling of 225556101465 in words is "two hundred twenty-five billion, five hundred fifty-six million, one hundred one thousand, four hundred sixty-five".