225665334445 has 16 divisors (see below), whose sum is σ = 271915189488. Its totient is φ = 179789209600.

The previous prime is 225665334413. The next prime is 225665334457. The reversal of 225665334445 is 544433566522.

It can be written as a sum of positive squares in 8 ways, for example, as 29527954569 + 196137379876 = 171837^2 + 442874^2 .

It is not a de Polignac number, because 225665334445 - 2⁵ = 225665334413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145877 + ... + 1328293.

It is an arithmetic number, because the mean of its divisors is an integer number (16994699343).

Almost surely, 2^225665334445 is an apocalyptic number.

It is an amenable number.

225665334445 is a deficient number, since it is larger than the sum of its proper divisors (46249855043).

225665334445 is a wasteful number, since it uses less digits than its factorization.

225665334445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183440.

The product of its digits is 10368000, while the sum is 49.

The spelling of 225665334445 in words is "two hundred twenty-five billion, six hundred sixty-five million, three hundred thirty-four thousand, four hundred forty-five".