226244460656421 has 6 divisors (see below), whose sum is σ = 326797554281510. Its totient is φ = 150829640437608.

The previous prime is 226244460656411. The next prime is 226244460656429. The reversal of 226244460656421 is 124656064442622.

226244460656421 is a `hidden beast` number, since 2 + 2 + 6 + 2 + 4 + 4 + 4 + 606 + 5 + 6 + 4 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 156724384519521 + 69520076136900 = 12518961^2 + 8337870^2 .

It is not a de Polignac number, because 226244460656421 - 2¹⁹ = 226244460132133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226244460656429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12569136703126 + ... + 12569136703143.

Almost surely, 2^{226244460656421} is an apocalyptic number.

It is an amenable number.

226244460656421 is a deficient number, since it is larger than the sum of its proper divisors (100553093625089).

226244460656421 is a wasteful number, since it uses less digits than its factorization.

226244460656421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25138273406275 (or 25138273406272 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 54.

The spelling of 226244460656421 in words is "two hundred twenty-six trillion, two hundred forty-four billion, four hundred sixty million, six hundred fifty-six thousand, four hundred twenty-one".