50515021222 has 8 divisors (see below), whose sum is σ = 77014704672. Its totient is φ = 24843453000.

The previous prime is 50515021217. The next prime is 50515021261. The reversal of 50515021222 is 22212051505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×50515021222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207028654 + ... + 207028897.

It is an arithmetic number, because the mean of its divisors is an integer number (9626838084).

Almost surely, 2^50515021222 is an apocalyptic number.

50515021222 is a deficient number, since it is larger than the sum of its proper divisors (26499683450).

50515021222 is a wasteful number, since it uses less digits than its factorization.

50515021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414057614.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 50515021222 its reverse (22212051505), we get a palindrome (72727072727).

The spelling of 50515021222 in words is "fifty billion, five hundred fifteen million, twenty-one thousand, two hundred twenty-two".