50122222172 has 12 divisors (see below), whose sum is σ = 95687878776. Its totient is φ = 22782828240.

The previous prime is 50122222147. The next prime is 50122222177. The reversal of 50122222172 is 27122222105.

It is a happy number.

50122222172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50122222177) 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, 569570663 + ... + 569570750.

It is an arithmetic number, because the mean of its divisors is an integer number (7973989898).

Almost surely, 2^50122222172 is an apocalyptic number.

It is an amenable number.

50122222172 is a deficient number, since it is larger than the sum of its proper divisors (45565656604).

50122222172 is a wasteful number, since it uses less digits than its factorization.

50122222172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139141428 (or 1139141426 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 50122222172 its reverse (27122222105), we get a palindrome (77244444277).

The spelling of 50122222172 in words is "fifty billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred seventy-two".