225064464557 has 4 divisors (see below), whose sum is σ = 225121548000. Its totient is φ = 225007381116.

The previous prime is 225064464553. The next prime is 225064464613. The reversal of 225064464557 is 755464460522.

225064464557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225064464557 - 2² = 225064464553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225064464551) 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 3 ways as a sum of consecutive naturals, for example, 28535807 + ... + 28543692.

It is an arithmetic number, because the mean of its divisors is an integer number (56280387000).

Almost surely, 2^225064464557 is an apocalyptic number.

It is an amenable number.

225064464557 is a deficient number, since it is larger than the sum of its proper divisors (57083443).

225064464557 is an equidigital number, since it uses as much as digits as its factorization.

225064464557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57083442.

The product of its (nonzero) digits is 8064000, while the sum is 50.

The spelling of 225064464557 in words is "two hundred twenty-five billion, sixty-four million, four hundred sixty-four thousand, five hundred fifty-seven".