50222018 has 48 divisors (see below), whose sum is σ = 98824320. Its totient is φ = 18701760.

The previous prime is 50222017. The next prime is 50222021. The reversal of 50222018 is 81022205.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50222017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38318 + ... + 39606.

It is an arithmetic number, because the mean of its divisors is an integer number (2058840).

Almost surely, 2^50222018 is an apocalyptic number.

50222018 is a deficient number, since it is larger than the sum of its proper divisors (48602302).

50222018 is a wasteful number, since it uses less digits than its factorization.

50222018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 50222018 is about 7086.7494664338. The cubic root of 50222018 is about 368.9476256382.

The spelling of 50222018 in words is "fifty million, two hundred twenty-two thousand, eighteen".