225245704509 has 24 divisors (see below), whose sum is σ = 378849923712. Its totient is φ = 126283304160.

The previous prime is 225245704469. The next prime is 225245704543. The reversal of 225245704509 is 905407542522.

225245704509 is a `hidden beast` number, since 2 + 2 + 5 + 24 + 570 + 4 + 50 + 9 = 666.

225245704509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225245704509 - 2¹² = 225245700413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225245704309) 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 23 ways as a sum of consecutive naturals, for example, 33726177 + ... + 33732854.

It is an arithmetic number, because the mean of its divisors is an integer number (15785413488).

Almost surely, 2^225245704509 is an apocalyptic number.

It is an amenable number.

225245704509 is a deficient number, since it is larger than the sum of its proper divisors (153604219203).

225245704509 is a wasteful number, since it uses less digits than its factorization.

225245704509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67459097 (or 67459094 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 225245704509 in words is "two hundred twenty-five billion, two hundred forty-five million, seven hundred four thousand, five hundred nine".