50402222 has 12 divisors (see below), whose sum is σ = 81866880. Its totient is φ = 23262408.

The previous prime is 50402207. The next prime is 50402227. The reversal of 50402222 is 22220405.

It is a self number, because there is not a number n which added to its sum of digits gives 50402222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50402227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74222 + ... + 74897.

It is an arithmetic number, because the mean of its divisors is an integer number (6822240).

Almost surely, 2^50402222 is an apocalyptic number.

50402222 is a deficient number, since it is larger than the sum of its proper divisors (31464658).

50402222 is a wasteful number, since it uses less digits than its factorization.

50402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149147 (or 149134 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 50402222 is about 7099.4522323909. The cubic root of 50402222 is about 369.3883783756.

Adding to 50402222 its reverse (22220405), we get a palindrome (72622627).

The spelling of 50402222 in words is "fifty million, four hundred two thousand, two hundred twenty-two".