602221871 has 4 divisors (see below), whose sum is σ = 604511952. Its totient is φ = 599931792.

The previous prime is 602221847. The next prime is 602221877. The reversal of 602221871 is 178122206.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-602221871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602221877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144646 + ... + 1145171.

It is an arithmetic number, because the mean of its divisors is an integer number (151127988).

Almost surely, 2^602221871 is an apocalyptic number.

602221871 is a deficient number, since it is larger than the sum of its proper divisors (2290081).

602221871 is a wasteful number, since it uses less digits than its factorization.

602221871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290080.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 602221871 is about 24540.2092696864. The cubic root of 602221871 is about 844.4724931428.

The spelling of 602221871 in words is "six hundred two million, two hundred twenty-one thousand, eight hundred seventy-one".