50720022 has 12 divisors (see below), whose sum is σ = 109893420. Its totient is φ = 16906668.

The previous prime is 50720011. The next prime is 50720023. The reversal of 50720022 is 22002705.

It is a happy number.

50720022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2817779 = 50720022 / (5 + 0 + 7 + 2 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 50719977 and 50720004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50720023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1408872 + ... + 1408907.

It is an arithmetic number, because the mean of its divisors is an integer number (9157785).

Almost surely, 2^50720022 is an apocalyptic number.

50720022 is an abundant number, since it is smaller than the sum of its proper divisors (59173398).

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

50720022 is a wasteful number, since it uses less digits than its factorization.

50720022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817787 (or 2817784 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 50720022 is about 7121.7990704597. The cubic root of 50720022 is about 370.1631177537.

Adding to 50720022 its reverse (22002705), we get a palindrome (72722727).

The spelling of 50720022 in words is "fifty million, seven hundred twenty thousand, twenty-two".