56135222 has 16 divisors (see below), whose sum is σ = 98924112. Its totient is φ = 23553120.

The previous prime is 56135221. The next prime is 56135239. The reversal of 56135222 is 22253165.

56135222 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 (26).

It is a junction number, because it is equal to n+sod(n) for n = 56135191 and 56135200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56135221) 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 7 ways as a sum of consecutive naturals, for example, 97853 + ... + 98424.

It is an arithmetic number, because the mean of its divisors is an integer number (6182757).

Almost surely, 2^56135222 is an apocalyptic number.

56135222 is a deficient number, since it is larger than the sum of its proper divisors (42788890).

56135222 is a wasteful number, since it uses less digits than its factorization.

56135222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196303.

The product of its digits is 3600, while the sum is 26.

The square root of 56135222 is about 7492.3442259416. The cubic root of 56135222 is about 382.8939299560.

Adding to 56135222 its reverse (22253165), we get a palindrome (78388387).

The spelling of 56135222 in words is "fifty-six million, one hundred thirty-five thousand, two hundred twenty-two".