50522222 has 4 divisors (see below), whose sum is σ = 75783336. Its totient is φ = 25261110.

The previous prime is 50522207. The next prime is 50522233. The reversal of 50522222 is 22222505.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 50522194 and 50522203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12630554 + ... + 12630557.

It is an arithmetic number, because the mean of its divisors is an integer number (18945834).

Almost surely, 2^50522222 is an apocalyptic number.

50522222 is a deficient number, since it is larger than the sum of its proper divisors (25261114).

50522222 is a wasteful number, since it uses less digits than its factorization.

50522222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25261113.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 50522222 is about 7107.8985642734. The cubic root of 50522222 is about 369.6812984878.

Adding to 50522222 its reverse (22222505), we get a palindrome (72744727).

The spelling of 50522222 in words is "fifty million, five hundred twenty-two thousand, two hundred twenty-two".