50212222 has 4 divisors (see below), whose sum is σ = 75318336. Its totient is φ = 25106110.

The previous prime is 50212213. The next prime is 50212229. The reversal of 50212222 is 22221205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22221205 = 5 ⋅4444241.

It is a junction number, because it is equal to n+sod(n) for n = 50212196 and 50212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50212229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12553054 + ... + 12553057.

It is an arithmetic number, because the mean of its divisors is an integer number (18829584).

Almost surely, 2^50212222 is an apocalyptic number.

50212222 is a deficient number, since it is larger than the sum of its proper divisors (25106114).

50212222 is a wasteful number, since it uses less digits than its factorization.

50212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25106113.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 50212222 is about 7086.0582837005. The cubic root of 50212222 is about 368.9236358551.

Adding to 50212222 its reverse (22221205), we get a palindrome (72433427).

The spelling of 50212222 in words is "fifty million, two hundred twelve thousand, two hundred twenty-two".