226515019 has 2 divisors, whose sum is σ = 226515020. Its totient is φ = 226515018.

The previous prime is 226514989. The next prime is 226515049. The reversal of 226515019 is 910515622.

It is a balanced prime because it is at equal distance from previous prime (226514989) and next prime (226515049).

It is a cyclic number.

It is not a de Polignac number, because 226515019 - 2²⁷ = 92297291 is a prime.

It is a super-2 number, since 2×226515019² = 102618107665140722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226515049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113257509 + 113257510.

It is an arithmetic number, because the mean of its divisors is an integer number (113257510).

Almost surely, 2^226515019 is an apocalyptic number.

226515019 is a deficient number, since it is larger than the sum of its proper divisors (1).

226515019 is an equidigital number, since it uses as much as digits as its factorization.

226515019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 226515019 is about 15050.4159078744. The cubic root of 226515019 is about 609.5822805312.

The spelling of 226515019 in words is "two hundred twenty-six million, five hundred fifteen thousand, nineteen".