598344221 has 2 divisors, whose sum is σ = 598344222. Its totient is φ = 598344220.

The previous prime is 598344191. The next prime is 598344239. The reversal of 598344221 is 122443895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594676996 + 3667225 = 24386^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 598344221 - 2¹⁴ = 598327837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (598334221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299172110 + 299172111.

It is an arithmetic number, because the mean of its divisors is an integer number (299172111).

Almost surely, 2^598344221 is an apocalyptic number.

It is an amenable number.

598344221 is a deficient number, since it is larger than the sum of its proper divisors (1).

598344221 is an equidigital number, since it uses as much as digits as its factorization.

598344221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 598344221 is about 24461.0756304787. The cubic root of 598344221 is about 842.6560960174.

The spelling of 598344221 in words is "five hundred ninety-eight million, three hundred forty-four thousand, two hundred twenty-one".