598411221 has 4 divisors (see below), whose sum is σ = 797881632. Its totient is φ = 398940812.

The previous prime is 598411211. The next prime is 598411223. The reversal of 598411221 is 122114895.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 598411221 - 2⁵ = 598411189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598411223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99735201 + ... + 99735206.

It is an arithmetic number, because the mean of its divisors is an integer number (199470408).

Almost surely, 2^598411221 is an apocalyptic number.

It is an amenable number.

598411221 is a deficient number, since it is larger than the sum of its proper divisors (199470411).

598411221 is a wasteful number, since it uses less digits than its factorization.

598411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199470410.

The product of its digits is 5760, while the sum is 33.

The square root of 598411221 is about 24462.4451149103. The cubic root of 598411221 is about 842.6875471728.

It can be divided in two parts, 5984 and 11221, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 598411221 in words is "five hundred ninety-eight million, four hundred eleven thousand, two hundred twenty-one".