225944664691 has 8 divisors (see below), whose sum is σ = 231154664544. Its totient is φ = 220790989440.

The previous prime is 225944664661. The next prime is 225944664719. The reversal of 225944664691 is 196466449522.

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 225944664691 - 2⁷ = 225944664563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225944664661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14073036 + ... + 14089081.

It is an arithmetic number, because the mean of its divisors is an integer number (28894333068).

Almost surely, 2^225944664691 is an apocalyptic number.

225944664691 is a deficient number, since it is larger than the sum of its proper divisors (5209999853).

225944664691 is a wasteful number, since it uses less digits than its factorization.

225944664691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28162301.

The product of its digits is 22394880, while the sum is 58.

The spelling of 225944664691 in words is "two hundred twenty-five billion, nine hundred forty-four million, six hundred sixty-four thousand, six hundred ninety-one".