50581222 has 16 divisors (see below), whose sum is σ = 80928720. Its totient is φ = 23627008.

The previous prime is 50581213. The next prime is 50581241. The reversal of 50581222 is 22218505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772 + ... + 10087.

It is an arithmetic number, because the mean of its divisors is an integer number (5058045).

Almost surely, 2^50581222 is an apocalyptic number.

50581222 is a deficient number, since it is larger than the sum of its proper divisors (30347498).

50581222 is a wasteful number, since it uses less digits than its factorization.

50581222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11015.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 50581222 is about 7112.0476657570. The cubic root of 50581222 is about 369.8251474772.

Adding to 50581222 its reverse (22218505), we get a palindrome (72799727).

The spelling of 50581222 in words is "fifty million, five hundred eighty-one thousand, two hundred twenty-two".