226863740381 has 2 divisors, whose sum is σ = 226863740382. Its totient is φ = 226863740380.

The previous prime is 226863740303. The next prime is 226863740387. The reversal of 226863740381 is 183047368622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209732857156 + 17130883225 = 457966^2 + 130885^2 .

It is a cyclic number.

It is not a de Polignac number, because 226863740381 - 2¹⁰ = 226863739357 is a prime.

It is a super-2 number, since 2×226863740381² (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 (226863740387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113431870190 + 113431870191.

It is an arithmetic number, because the mean of its divisors is an integer number (113431870191).

Almost surely, 2^226863740381 is an apocalyptic number.

It is an amenable number.

226863740381 is a deficient number, since it is larger than the sum of its proper divisors (1).

226863740381 is an equidigital number, since it uses as much as digits as its factorization.

226863740381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 226863740381 in words is "two hundred twenty-six billion, eight hundred sixty-three million, seven hundred forty thousand, three hundred eighty-one".