50223000221 has 4 divisors (see below), whose sum is σ = 50224116732. Its totient is φ = 50221883712.

The previous prime is 50223000209. The next prime is 50223000229. The reversal of 50223000221 is 12200032205.

50223000221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 33238394596 + 16984605625 = 182314^2 + 130325^2 .

It is a cyclic number.

It is not a de Polignac number, because 50223000221 - 2¹⁸ = 50222738077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50223000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50223000229) 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, 487820 + ... + 581733.

It is an arithmetic number, because the mean of its divisors is an integer number (12556029183).

Almost surely, 2^50223000221 is an apocalyptic number.

It is an amenable number.

50223000221 is a deficient number, since it is larger than the sum of its proper divisors (1116511).

50223000221 is a wasteful number, since it uses less digits than its factorization.

50223000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116510.

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 50223000221 its reverse (12200032205), we get a palindrome (62423032426).

The spelling of 50223000221 in words is "fifty billion, two hundred twenty-three million, two hundred twenty-one", and thus it is an aban number.