50221310 has 32 divisors (see below), whose sum is σ = 93133152. Its totient is φ = 19486720.

The previous prime is 50221231. The next prime is 50221319. The reversal of 50221310 is 1312205.

It is a happy number.

It is a super-2 number, since 2×50221310² = 5044359956232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221319) 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 15 ways as a sum of consecutive naturals, for example, 142094 + ... + 142446.

It is an arithmetic number, because the mean of its divisors is an integer number (2910411).

Almost surely, 2^50221310 is an apocalyptic number.

50221310 is a deficient number, since it is larger than the sum of its proper divisors (42911842).

50221310 is a wasteful number, since it uses less digits than its factorization.

50221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 50221310 is about 7086.6995138781. The cubic root of 50221310 is about 368.9458918956.

Adding to 50221310 its reverse (1312205), we get a palindrome (51533515).

It can be divided in two parts, 502 and 21310, that added together give a palindrome (21812).

The spelling of 50221310 in words is "fifty million, two hundred twenty-one thousand, three hundred ten".