56223219 has 16 divisors (see below), whose sum is σ = 80865792. Its totient is φ = 34541088.

The previous prime is 56223217. The next prime is 56223229. The reversal of 56223219 is 91232265.

It is not a de Polignac number, because 56223219 - 2¹ = 56223217 is a prime.

It is a super-2 number, since 2×56223219² = 6322100709443922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56223217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42364 + ... + 43670.

It is an arithmetic number, because the mean of its divisors is an integer number (5054112).

Almost surely, 2^56223219 is an apocalyptic number.

56223219 is a deficient number, since it is larger than the sum of its proper divisors (24642573).

56223219 is a wasteful number, since it uses less digits than its factorization.

56223219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426.

The product of its digits is 6480, while the sum is 30.

The square root of 56223219 is about 7498.2143874392. The cubic root of 56223219 is about 383.0938990390.

The spelling of 56223219 in words is "fifty-six million, two hundred twenty-three thousand, two hundred nineteen".