50115222 has 24 divisors (see below), whose sum is σ = 108824976. Its totient is φ = 16667856.

The previous prime is 50115211. The next prime is 50115223. The reversal of 50115222 is 22251105.

It is a super-2 number, since 2×50115222² = 5023070952218568, 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 = 50115195 and 50115204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50115223) 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, 5908 + ... + 11624.

It is an arithmetic number, because the mean of its divisors is an integer number (4534374).

Almost surely, 2^50115222 is an apocalyptic number.

50115222 is an abundant number, since it is smaller than the sum of its proper divisors (58709754).

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

50115222 is a wasteful number, since it uses less digits than its factorization.

50115222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212 (or 6209 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 50115222 is about 7079.2105492067. The cubic root of 50115222 is about 368.6859204174.

Adding to 50115222 its reverse (22251105), we get a palindrome (72366327).

The spelling of 50115222 in words is "fifty million, one hundred fifteen thousand, two hundred twenty-two".