225025223365 has 8 divisors (see below), whose sum is σ = 285914401560. Its totient is φ = 169430756352.

The previous prime is 225025223351. The next prime is 225025223471. The reversal of 225025223365 is 563322520522.

It can be written as a sum of positive squares in 4 ways, for example, as 5942251396 + 219082971969 = 77086^2 + 468063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225025223365 - 2¹⁹ = 225024699077 is a prime.

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, 1323677700 + ... + 1323677869.

It is an arithmetic number, because the mean of its divisors is an integer number (35739300195).

Almost surely, 2^225025223365 is an apocalyptic number.

It is an amenable number.

225025223365 is a deficient number, since it is larger than the sum of its proper divisors (60889178195).

225025223365 is a wasteful number, since it uses less digits than its factorization.

225025223365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647355591.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 225025223365 its reverse (563322520522), we get a palindrome (788347743887).

The spelling of 225025223365 in words is "two hundred twenty-five billion, twenty-five million, two hundred twenty-three thousand, three hundred sixty-five".