50222143421 has 16 divisors (see below), whose sum is σ = 53173635840. Its totient is φ = 47356411200.

The previous prime is 50222143397. The next prime is 50222143459. The reversal of 50222143421 is 12434122205.

It is a cyclic number.

It is not a de Polignac number, because 50222143421 - 2¹⁴ = 50222127037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50222143481) 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, 597071 + ... + 675971.

It is an arithmetic number, because the mean of its divisors is an integer number (3323352240).

Almost surely, 2^50222143421 is an apocalyptic number.

It is an amenable number.

50222143421 is a deficient number, since it is larger than the sum of its proper divisors (2951492419).

50222143421 is a wasteful number, since it uses less digits than its factorization.

50222143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79444.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 50222143421 its reverse (12434122205), we get a palindrome (62656265626).

The spelling of 50222143421 in words is "fifty billion, two hundred twenty-two million, one hundred forty-three thousand, four hundred twenty-one".