5102502221 has 4 divisors (see below), whose sum is σ = 5131008000. Its totient is φ = 5073996444.

The previous prime is 5102502199. The next prime is 5102502227. The reversal of 5102502221 is 1222052015.

It is a happy number.

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 5102502221 - 2¹⁰ = 5102501197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5102502193 and 5102502202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5102502227) 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, 14252621 + ... + 14252978.

It is an arithmetic number, because the mean of its divisors is an integer number (1282752000).

Almost surely, 2^5102502221 is an apocalyptic number.

It is an amenable number.

5102502221 is a deficient number, since it is larger than the sum of its proper divisors (28505779).

5102502221 is a wasteful number, since it uses less digits than its factorization.

5102502221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28505778.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5102502221 is about 71431.8011882663. The cubic root of 5102502221 is about 1721.5820828411.

Adding to 5102502221 its reverse (1222052015), we get a palindrome (6324554236).

The spelling of 5102502221 in words is "five billion, one hundred two million, five hundred two thousand, two hundred twenty-one".