50220221999 has 4 divisors (see below), whose sum is σ = 52403709936. Its totient is φ = 48036734064.

The previous prime is 50220221993. The next prime is 50220222011. The reversal of 50220221999 is 99912202205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50220221999 - 2³² = 45925254703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50220221993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091743934 + ... + 1091743979.

It is an arithmetic number, because the mean of its divisors is an integer number (13100927484).

Almost surely, 2^50220221999 is an apocalyptic number.

50220221999 is a deficient number, since it is larger than the sum of its proper divisors (2183487937).

50220221999 is a wasteful number, since it uses less digits than its factorization.

50220221999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183487936.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 50220221999 in words is "fifty billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred ninety-nine".