426229 has 2 divisors, whose sum is σ = 426230. Its totient is φ = 426228.

The previous prime is 426211. The next prime is 426233. The reversal of 426229 is 922624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223729 + 202500 = 473^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 426229 - 2⁵ = 426197 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 2⁷ + 2¹⁵ + 6² + 2¹⁷ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213114 + 213115.

It is an arithmetic number, because the mean of its divisors is an integer number (213115).

2⁴²⁶²²⁹ is an apocalyptic number.

It is an amenable number.

426229 is a deficient number, since it is larger than the sum of its proper divisors (1).

426229 is an equidigital number, since it uses as much as digits as its factorization.

426229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 426229 is about 652.8621600307. The cubic root of 426229 is about 75.2571322475.

The spelling of 426229 in words is "four hundred twenty-six thousand, two hundred twenty-nine".