226402240381 has 2 divisors, whose sum is σ = 226402240382. Its totient is φ = 226402240380.

The previous prime is 226402240373. The next prime is 226402240409. The reversal of 226402240381 is 183042204622.

226402240381 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., 186628320025 + 39773920356 = 432005^2 + 199434^2 .

It is a cyclic number.

It is not a de Polignac number, because 226402240381 - 2³ = 226402240373 is a prime.

It is a super-2 number, since 2×226402240381² (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 (226402240081) 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, 113201120190 + 113201120191.

It is an arithmetic number, because the mean of its divisors is an integer number (113201120191).

Almost surely, 2^226402240381 is an apocalyptic number.

It is an amenable number.

226402240381 is a deficient number, since it is larger than the sum of its proper divisors (1).

226402240381 is an equidigital number, since it uses as much as digits as its factorization.

226402240381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 226402240381 in words is "two hundred twenty-six billion, four hundred two million, two hundred forty thousand, three hundred eighty-one".