224666666381 has 2 divisors, whose sum is σ = 224666666382. Its totient is φ = 224666666380.

The previous prime is 224666666347. The next prime is 224666666447. The reversal of 224666666381 is 183666666422.

224666666381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219992893156 + 4673773225 = 469034^2 + 68365^2 .

It is a cyclic number.

It is not a de Polignac number, because 224666666381 - 2⁶ = 224666666317 is a prime.

It is a super-2 number, since 2×224666666381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224666666311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112333333190 + 112333333191.

It is an arithmetic number, because the mean of its divisors is an integer number (112333333191).

Almost surely, 2^224666666381 is an apocalyptic number.

It is an amenable number.

224666666381 is a deficient number, since it is larger than the sum of its proper divisors (1).

224666666381 is an equidigital number, since it uses as much as digits as its factorization.

224666666381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17915904, while the sum is 56.

The spelling of 224666666381 in words is "two hundred twenty-four billion, six hundred sixty-six million, six hundred sixty-six thousand, three hundred eighty-one".