502105221 has 12 divisors (see below), whose sum is σ = 725511072. Its totient is φ = 334622376.

The previous prime is 502105211. The next prime is 502105237. The reversal of 502105221 is 122501205.

It is not a de Polignac number, because 502105221 - 2²⁷ = 367887493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 502105194 and 502105203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502105211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24730 + ... + 40196.

It is an arithmetic number, because the mean of its divisors is an integer number (60459256).

Almost surely, 2^502105221 is an apocalyptic number.

It is an amenable number.

502105221 is a deficient number, since it is larger than the sum of its proper divisors (223405851).

502105221 is a wasteful number, since it uses less digits than its factorization.

502105221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19080 (or 19077 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 502105221 is about 22407.7045009077. The cubic root of 502105221 is about 794.8129095763.

Adding to 502105221 its reverse (122501205), we get a palindrome (624606426).

The spelling of 502105221 in words is "five hundred two million, one hundred five thousand, two hundred twenty-one".