225724250443 has 16 divisors (see below), whose sum is σ = 231815749536. Its totient is φ = 219661378560.

The previous prime is 225724250441. The next prime is 225724250473. The reversal of 225724250443 is 344052427522.

It is a cyclic number.

It is not a de Polignac number, because 225724250443 - 2¹ = 225724250441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225724250396 and 225724250405.

It is not an unprimeable number, because it can be changed into a prime (225724250441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31447471 + ... + 31454647.

It is an arithmetic number, because the mean of its divisors is an integer number (14488484346).

Almost surely, 2^225724250443 is an apocalyptic number.

225724250443 is a deficient number, since it is larger than the sum of its proper divisors (6091499093).

225724250443 is a wasteful number, since it uses less digits than its factorization.

225724250443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054.

The product of its (nonzero) digits is 537600, while the sum is 40.

Adding to 225724250443 its reverse (344052427522), we get a palindrome (569776677965).

The spelling of 225724250443 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred fifty thousand, four hundred forty-three".