226215362251 has 2 divisors, whose sum is σ = 226215362252. Its totient is φ = 226215362250.

The previous prime is 226215362249. The next prime is 226215362291. The reversal of 226215362251 is 152263512622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226215362251 - 2¹ = 226215362249 is a prime.

Together with 226215362249, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 226215362251.

It is not a weakly prime, because it can be changed into another prime (226215362201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113107681125 + 113107681126.

It is an arithmetic number, because the mean of its divisors is an integer number (113107681126).

Almost surely, 2^226215362251 is an apocalyptic number.

226215362251 is a deficient number, since it is larger than the sum of its proper divisors (1).

226215362251 is an equidigital number, since it uses as much as digits as its factorization.

226215362251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

Adding to 226215362251 its reverse (152263512622), we get a palindrome (378478874873).

The spelling of 226215362251 in words is "two hundred twenty-six billion, two hundred fifteen million, three hundred sixty-two thousand, two hundred fifty-one".