602828221 has 2 divisors, whose sum is σ = 602828222. Its totient is φ = 602828220.

The previous prime is 602828197. The next prime is 602828227. The reversal of 602828221 is 122828206.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323604121 + 279224100 = 17989^2 + 16710^2 .

It is a cyclic number.

It is not a de Polignac number, because 602828221 - 2⁵ = 602828189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (602828227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301414110 + 301414111.

It is an arithmetic number, because the mean of its divisors is an integer number (301414111).

Almost surely, 2^602828221 is an apocalyptic number.

It is an amenable number.

602828221 is a deficient number, since it is larger than the sum of its proper divisors (1).

602828221 is an equidigital number, since it uses as much as digits as its factorization.

602828221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 602828221 is about 24552.5603756513. The cubic root of 602828221 is about 844.7558184780.

The spelling of 602828221 in words is "six hundred two million, eight hundred twenty-eight thousand, two hundred twenty-one".