56228233 has 2 divisors, whose sum is σ = 56228234. Its totient is φ = 56228232.

The previous prime is 56228191. The next prime is 56228243. The reversal of 56228233 is 33282265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50013184 + 6215049 = 7072^2 + 2493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56228233 is a prime.

It is a super-3 number, since 3×56228233³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 56228195 and 56228204.

It is not a weakly prime, because it can be changed into another prime (56228243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28114116 + 28114117.

It is an arithmetic number, because the mean of its divisors is an integer number (28114117).

Almost surely, 2^56228233 is an apocalyptic number.

It is an amenable number.

56228233 is a deficient number, since it is larger than the sum of its proper divisors (1).

56228233 is an equidigital number, since it uses as much as digits as its factorization.

56228233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 56228233 is about 7498.5487262536. The cubic root of 56228233 is about 383.1052868354.

The spelling of 56228233 in words is "fifty-six million, two hundred twenty-eight thousand, two hundred thirty-three".