225384722547 has 16 divisors (see below), whose sum is σ = 300792970368. Its totient is φ = 150116550080.

The previous prime is 225384722543. The next prime is 225384722567. The reversal of 225384722547 is 745227483522.

It is a cyclic number.

It is not a de Polignac number, because 225384722547 - 2² = 225384722543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225384722547.

It is not an unprimeable number, because it can be changed into a prime (225384722543) 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 15 ways as a sum of consecutive naturals, for example, 17273608 + ... + 17286650.

It is an arithmetic number, because the mean of its divisors is an integer number (18799560648).

Almost surely, 2^225384722547 is an apocalyptic number.

225384722547 is a deficient number, since it is larger than the sum of its proper divisors (75408247821).

225384722547 is a wasteful number, since it uses less digits than its factorization.

225384722547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17970.

The product of its digits is 7526400, while the sum is 51.

The spelling of 225384722547 in words is "two hundred twenty-five billion, three hundred eighty-four million, seven hundred twenty-two thousand, five hundred forty-seven".