50226020221 has 4 divisors (see below), whose sum is σ = 54089560252. Its totient is φ = 46362480192.

The previous prime is 50226020197. The next prime is 50226020233. The reversal of 50226020221 is 12202062205.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33119996121 + 17106024100 = 181989^2 + 130790^2 .

It is a cyclic number.

It is not a de Polignac number, because 50226020221 - 2⁵ = 50226020189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50226020192 and 50226020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50226020281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931769996 + ... + 1931770021.

It is an arithmetic number, because the mean of its divisors is an integer number (13522390063).

Almost surely, 2^50226020221 is an apocalyptic number.

It is an amenable number.

50226020221 is a deficient number, since it is larger than the sum of its proper divisors (3863540031).

50226020221 is a wasteful number, since it uses less digits than its factorization.

50226020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863540030.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 50226020221 its reverse (12202062205), we get a palindrome (62428082426).

The spelling of 50226020221 in words is "fifty billion, two hundred twenty-six million, twenty thousand, two hundred twenty-one".