500221057 has 24 divisors (see below), whose sum is σ = 600333120. Its totient is φ = 415386720.

The previous prime is 500221031. The next prime is 500221061. The reversal of 500221057 is 750122005.

It is a de Polignac number, because none of the positive numbers 2^k-500221057 is a prime.

It is a super-2 number, since 2×500221057² = 500442211732394498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500221157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204043 + ... + 206479.

It is an arithmetic number, because the mean of its divisors is an integer number (25013880).

Almost surely, 2^500221057 is an apocalyptic number.

It is an amenable number.

500221057 is a deficient number, since it is larger than the sum of its proper divisors (100112063).

500221057 is a wasteful number, since it uses less digits than its factorization.

500221057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 500221057 is about 22365.6222135670. The cubic root of 500221057 is about 793.8174774553.

The spelling of 500221057 in words is "five hundred million, two hundred twenty-one thousand, fifty-seven".