50515222 has 16 divisors (see below), whose sum is σ = 80186112. Its totient is φ = 23817640.

The previous prime is 50515193. The next prime is 50515229. The reversal of 50515222 is 22251505.

It is a junction number, because it is equal to n+sod(n) for n = 50515193 and 50515202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50515229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4468 + ... + 10999.

It is an arithmetic number, because the mean of its divisors is an integer number (5011632).

Almost surely, 2^50515222 is an apocalyptic number.

50515222 is a deficient number, since it is larger than the sum of its proper divisors (29670890).

50515222 is a wasteful number, since it uses less digits than its factorization.

50515222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15563.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 50515222 is about 7107.4061372627. The cubic root of 50515222 is about 369.6642242281.

Adding to 50515222 its reverse (22251505), we get a palindrome (72766727).

The spelling of 50515222 in words is "fifty million, five hundred fifteen thousand, two hundred twenty-two".