225767812976844 has 12 divisors (see below), whose sum is σ = 526791563612664. Its totient is φ = 75255937658944.

The previous prime is 225767812976837. The next prime is 225767812976861. The reversal of 225767812976844 is 448679218767522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×225767812976844² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225767812976844.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9406992207357 + ... + 9406992207380.

It is an arithmetic number, because the mean of its divisors is an integer number (43899296967722).

Almost surely, 2^{225767812976844} is an apocalyptic number.

It is an amenable number.

225767812976844 is an abundant number, since it is smaller than the sum of its proper divisors (301023750635820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225767812976844 is a wasteful number, since it uses less digits than its factorization.

225767812976844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813984414744 (or 18813984414742 counting only the distinct ones).

The product of its digits is 4551966720, while the sum is 78.

The spelling of 225767812976844 in words is "two hundred twenty-five trillion, seven hundred sixty-seven billion, eight hundred twelve million, nine hundred seventy-six thousand, eight hundred forty-four".