50021222252 has 12 divisors (see below), whose sum is σ = 92144356920. Its totient is φ = 23694263136.

The previous prime is 50021222213. The next prime is 50021222267. The reversal of 50021222252 is 25222212005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329086913 + ... + 329087064.

It is an arithmetic number, because the mean of its divisors is an integer number (7678696410).

Almost surely, 2^50021222252 is an apocalyptic number.

It is an amenable number.

50021222252 is a deficient number, since it is larger than the sum of its proper divisors (42123134668).

50021222252 is a wasteful number, since it uses less digits than its factorization.

50021222252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658174000 (or 658173998 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 50021222252 its reverse (25222212005), we get a palindrome (75243434257).

The spelling of 50021222252 in words is "fifty billion, twenty-one million, two hundred twenty-two thousand, two hundred fifty-two".