502260221 has 8 divisors (see below), whose sum is σ = 512867064. Its totient is φ = 491754240.

The previous prime is 502260203. The next prime is 502260229. The reversal of 502260221 is 122062205.

It can be written as a sum of positive squares in 4 ways, for example, as 36132121 + 466128100 = 6011^2 + 21590^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502260221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502260193 and 502260202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502260229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15110 + ... + 35111.

It is an arithmetic number, because the mean of its divisors is an integer number (64108383).

Almost surely, 2^502260221 is an apocalyptic number.

It is an amenable number.

502260221 is a deficient number, since it is larger than the sum of its proper divisors (10606843).

502260221 is a wasteful number, since it uses less digits than its factorization.

502260221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50431.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 502260221 is about 22411.1628658577. The cubic root of 502260221 is about 794.8946874727.

The spelling of 502260221 in words is "five hundred two million, two hundred sixty thousand, two hundred twenty-one".