56156222 has 4 divisors (see below), whose sum is σ = 84234336. Its totient is φ = 28078110.

The previous prime is 56156213. The next prime is 56156227. The reversal of 56156222 is 22265165.

56156222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56156227) 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 as a sum of consecutive naturals, namely, 14039054 + ... + 14039057.

It is an arithmetic number, because the mean of its divisors is an integer number (21058584).

Almost surely, 2^56156222 is an apocalyptic number.

56156222 is a deficient number, since it is larger than the sum of its proper divisors (28078114).

56156222 is a wasteful number, since it uses less digits than its factorization.

56156222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28078113.

The product of its digits is 7200, while the sum is 29.

The square root of 56156222 is about 7493.7455254365. The cubic root of 56156222 is about 382.9416704523.

The spelling of 56156222 in words is "fifty-six million, one hundred fifty-six thousand, two hundred twenty-two".