226372019 has 2 divisors, whose sum is σ = 226372020. Its totient is φ = 226372018.

The previous prime is 226372001. The next prime is 226372021. The reversal of 226372019 is 910273622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226372019 - 2¹² = 226367923 is a prime.

It is a super-2 number, since 2×226372019² = 102488581972272722, which contains 22 as substring.

Together with 226372021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226372319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113186009 + 113186010.

It is an arithmetic number, because the mean of its divisors is an integer number (113186010).

Almost surely, 2^226372019 is an apocalyptic number.

226372019 is a deficient number, since it is larger than the sum of its proper divisors (1).

226372019 is an equidigital number, since it uses as much as digits as its factorization.

226372019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 226372019 is about 15045.6644585741. The cubic root of 226372019 is about 609.4539761380.

The spelling of 226372019 in words is "two hundred twenty-six million, three hundred seventy-two thousand, nineteen".