225126646277 has 12 divisors (see below), whose sum is σ = 243791100864. Its totient is φ = 207796502160.

The previous prime is 225126646223. The next prime is 225126646279. The reversal of 225126646277 is 772646621522.

It is not a de Polignac number, because 225126646277 - 2¹⁶ = 225126580741 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225126646279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3797252 + ... + 3856082.

It is an arithmetic number, because the mean of its divisors is an integer number (20315925072).

Almost surely, 2^225126646277 is an apocalyptic number.

It is an amenable number.

225126646277 is a deficient number, since it is larger than the sum of its proper divisors (18664454587).

225126646277 is a wasteful number, since it uses less digits than its factorization.

225126646277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81500 (or 81487 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The spelling of 225126646277 in words is "two hundred twenty-five billion, one hundred twenty-six million, six hundred forty-six thousand, two hundred seventy-seven".