50342220 has 36 divisors (see below), whose sum is σ = 152705280. Its totient is φ = 13424544.

The previous prime is 50342143. The next prime is 50342251. The reversal of 50342220 is 2224305.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×50342220² = 5068678229056800, which contains 22 as substring.

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 = 50342193 and 50342202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139660 + ... + 140019.

Almost surely, 2^50342220 is an apocalyptic number.

It is an amenable number.

50342220 is an abundant number, since it is smaller than the sum of its proper divisors (102363060).

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

50342220 is a wasteful number, since it uses less digits than its factorization.

50342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279694 (or 279689 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 50342220 is about 7095.2251549898. The cubic root of 50342220 is about 369.2417390571.

Adding to 50342220 its reverse (2224305), we get a palindrome (52566525).

The spelling of 50342220 in words is "fifty million, three hundred forty-two thousand, two hundred twenty".