226240447 has 2 divisors, whose sum is σ = 226240448. Its totient is φ = 226240446.

The previous prime is 226240439. The next prime is 226240451. The reversal of 226240447 is 744042622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 226240447 - 2³ = 226240439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226240477) 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, 113120223 + 113120224.

It is an arithmetic number, because the mean of its divisors is an integer number (113120224).

Almost surely, 2^226240447 is an apocalyptic number.

226240447 is a deficient number, since it is larger than the sum of its proper divisors (1).

226240447 is an equidigital number, since it uses as much as digits as its factorization.

226240447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 226240447 is about 15041.2914006743. The cubic root of 226240447 is about 609.3358775918.

The spelling of 226240447 in words is "two hundred twenty-six million, two hundred forty thousand, four hundred forty-seven".