225103647544 has 32 divisors (see below), whose sum is σ = 447658429680. Its totient is φ = 105750628864.

The previous prime is 225103647529. The next prime is 225103647551. The reversal of 225103647544 is 445746301522.

It is a super-2 number, since 2×225103647544² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225103647544.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1330027 + ... + 1489690.

Almost surely, 2^225103647544 is an apocalyptic number.

It is an amenable number.

225103647544 is a deficient number, since it is larger than the sum of its proper divisors (222554782136).

225103647544 is a wasteful number, since it uses less digits than its factorization.

225103647544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820327 (or 2820323 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 225103647544 in words is "two hundred twenty-five billion, one hundred three million, six hundred forty-seven thousand, five hundred forty-four".