226678429 has 2 divisors, whose sum is σ = 226678430. Its totient is φ = 226678428.

The previous prime is 226678423. The next prime is 226678433. The reversal of 226678429 is 924876622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210917529 + 15760900 = 14523^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 226678429 - 2⁷ = 226678301 is a prime.

It is a super-2 number, since 2×226678429² = 102766220347816082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226678423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113339214 + 113339215.

It is an arithmetic number, because the mean of its divisors is an integer number (113339215).

Almost surely, 2^226678429 is an apocalyptic number.

It is an amenable number.

226678429 is a deficient number, since it is larger than the sum of its proper divisors (1).

226678429 is an equidigital number, since it uses as much as digits as its factorization.

226678429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 226678429 is about 15055.8436827698. The cubic root of 226678429 is about 609.7288313676.

The spelling of 226678429 in words is "two hundred twenty-six million, six hundred seventy-eight thousand, four hundred twenty-nine".