672229 has 2 divisors, whose sum is σ = 672230. Its totient is φ = 672228.

The previous prime is 672227. The next prime is 672251. The reversal of 672229 is 922276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656100 + 16129 = 810^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 672229 - 2¹ = 672227 is a prime.

Together with 672227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 672197 and 672206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336114 + 336115.

It is an arithmetic number, because the mean of its divisors is an integer number (336115).

2⁶⁷²²²⁹ is an apocalyptic number.

It is an amenable number.

672229 is a deficient number, since it is larger than the sum of its proper divisors (1).

672229 is an equidigital number, since it uses as much as digits as its factorization.

672229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 672229 is about 819.8957250773. The cubic root of 672229 is about 87.6003311706.

Subtracting 672229 from its reverse (922276), we obtain a cube (250047 = 63³).

The spelling of 672229 in words is "six hundred seventy-two thousand, two hundred twenty-nine".