226520774660 has 12 divisors (see below), whose sum is σ = 475693626828. Its totient is φ = 90608309856.

The previous prime is 226520774657. The next prime is 226520774677. The reversal of 226520774660 is 66477025622.

It can be written as a sum of positive squares in 2 ways, for example, as 34900965124 + 191619809536 = 186818^2 + 437744^2 .

It is a super-2 number, since 2×226520774660² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5663019347 + ... + 5663019386.

It is an arithmetic number, because the mean of its divisors is an integer number (39641135569).

Almost surely, 2^226520774660 is an apocalyptic number.

226520774660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226520774660 is an abundant number, since it is smaller than the sum of its proper divisors (249172852168).

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

226520774660 is a wasteful number, since it uses less digits than its factorization.

226520774660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326038742 (or 11326038740 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 226520774660 in words is "two hundred twenty-six billion, five hundred twenty million, seven hundred seventy-four thousand, six hundred sixty".