50242221 has 16 divisors (see below), whose sum is σ = 74574720. Its totient is φ = 33431040.

The previous prime is 50242187. The next prime is 50242237. The reversal of 50242221 is 12224205.

It is not a de Polignac number, because 50242221 - 2¹⁰ = 50241197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50242194 and 50242203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50242121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15856 + ... + 18758.

It is an arithmetic number, because the mean of its divisors is an integer number (4660920).

Almost surely, 2^50242221 is an apocalyptic number.

It is an amenable number.

50242221 is a deficient number, since it is larger than the sum of its proper divisors (24332499).

50242221 is a wasteful number, since it uses less digits than its factorization.

50242221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553 (or 3547 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 50242221 is about 7088.1747297876. The cubic root of 50242221 is about 368.9970916553.

Adding to 50242221 its reverse (12224205), we get a palindrome (62466426).

The spelling of 50242221 in words is "fifty million, two hundred forty-two thousand, two hundred twenty-one".