50220522 has 24 divisors (see below), whose sum is σ = 118703520. Its totient is φ = 15218280.

The previous prime is 50220503. The next prime is 50220529. The reversal of 50220522 is 22502205.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 50220495 and 50220504.

It is not an unprimeable number, because it can be changed into a prime (50220529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126622 + ... + 127017.

It is an arithmetic number, because the mean of its divisors is an integer number (4945980).

Almost surely, 2^50220522 is an apocalyptic number.

50220522 is an abundant number, since it is smaller than the sum of its proper divisors (68482998).

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

50220522 is a wasteful number, since it uses less digits than its factorization.

50220522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253658 (or 253655 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 50220522 is about 7086.6439165518. The cubic root of 50220522 is about 368.9439622308.

Adding to 50220522 its reverse (22502205), we get a palindrome (72722727).

The spelling of 50220522 in words is "fifty million, two hundred twenty thousand, five hundred twenty-two".