50217228 has 36 divisors (see below), whose sum is σ = 133620760. Its totient is φ = 15857856.

The previous prime is 50217227. The next prime is 50217239. The reversal of 50217228 is 82271205.

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

It is not an unprimeable number, because it can be changed into a prime (50217221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36025 + ... + 37392.

Almost surely, 2^50217228 is an apocalyptic number.

It is an amenable number.

50217228 is an abundant number, since it is smaller than the sum of its proper divisors (83403532).

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

50217228 is a wasteful number, since it uses less digits than its factorization.

50217228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73446 (or 73441 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 50217228 is about 7086.4115037161. The cubic root of 50217228 is about 368.9358956216.

The spelling of 50217228 in words is "fifty million, two hundred seventeen thousand, two hundred twenty-eight".