50121222 has 16 divisors (see below), whose sum is σ = 103699440. Its totient is φ = 16130912.

The previous prime is 50121217. The next prime is 50121233. The reversal of 50121222 is 22212105.

50121222 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143853 + ... + 144200.

It is an arithmetic number, because the mean of its divisors is an integer number (6481215).

Almost surely, 2^50121222 is an apocalyptic number.

50121222 is an abundant number, since it is smaller than the sum of its proper divisors (53578218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50121222 is a wasteful number, since it uses less digits than its factorization.

50121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288087.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 50121222 is about 7079.6343125899. The cubic root of 50121222 is about 368.7006333607.

Adding to 50121222 its reverse (22212105), we get a palindrome (72333327).

The spelling of 50121222 in words is "fifty million, one hundred twenty-one thousand, two hundred twenty-two".