225200520544 has 48 divisors (see below), whose sum is σ = 477551954880. Its totient is φ = 104193129600.

The previous prime is 225200520541. The next prime is 225200520581. The reversal of 225200520544 is 445025002522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225200520541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280782 + ... + 4333069.

It is an arithmetic number, because the mean of its divisors is an integer number (9948999060).

Almost surely, 2^225200520544 is an apocalyptic number.

It is an amenable number.

225200520544 is an abundant number, since it is smaller than the sum of its proper divisors (252351434336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225200520544 is a wasteful number, since it uses less digits than its factorization.

225200520544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613923 (or 8613915 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 225200520544 in words is "two hundred twenty-five billion, two hundred million, five hundred twenty thousand, five hundred forty-four".