50722222 has 16 divisors (see below), whose sum is σ = 79626240. Its totient is φ = 24186712.

The previous prime is 50722211. The next prime is 50722249. The reversal of 50722222 is 22222705.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50722193 and 50722202.

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, 16179 + ... + 19057.

It is an arithmetic number, because the mean of its divisors is an integer number (4976640).

Almost surely, 2^50722222 is an apocalyptic number.

50722222 is a deficient number, since it is larger than the sum of its proper divisors (28904018).

50722222 is a wasteful number, since it uses less digits than its factorization.

50722222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 50722222 is about 7121.9535241393. The cubic root of 50722222 is about 370.1684696644.

Adding to 50722222 its reverse (22222705), we get a palindrome (72944927).

The spelling of 50722222 in words is "fifty million, seven hundred twenty-two thousand, two hundred twenty-two".