630229 has 2 divisors, whose sum is σ = 630230. Its totient is φ = 630228.

The previous prime is 630197. The next prime is 630247. The reversal of 630229 is 922036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 252004 = 615^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 630229 - 2⁵ = 630197 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315114 + 315115.

It is an arithmetic number, because the mean of its divisors is an integer number (315115).

2⁶³⁰²²⁹ is an apocalyptic number.

It is an amenable number.

630229 is a deficient number, since it is larger than the sum of its proper divisors (1).

630229 is an equidigital number, since it uses as much as digits as its factorization.

630229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 630229 is about 793.8696366533. The cubic root of 630229 is about 85.7365744946.

The spelling of 630229 in words is "six hundred thirty thousand, two hundred twenty-nine".