57228419 has 2 divisors, whose sum is σ = 57228420. Its totient is φ = 57228418.

The previous prime is 57228403. The next prime is 57228421. The reversal of 57228419 is 91482275.

57228419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57228419 - 2⁴ = 57228403 is a prime.

It is a super-2 number, since 2×57228419² = 6550183882479122, which contains 22 as substring.

Together with 57228421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57228319) 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, 28614209 + 28614210.

It is an arithmetic number, because the mean of its divisors is an integer number (28614210).

Almost surely, 2^57228419 is an apocalyptic number.

57228419 is a deficient number, since it is larger than the sum of its proper divisors (1).

57228419 is an equidigital number, since it uses as much as digits as its factorization.

57228419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 57228419 is about 7564.9467281667. The cubic root of 57228419 is about 385.3635044369.

It can be divided in two parts, 5722 and 8419, that added together give a palindrome (14141).

The spelling of 57228419 in words is "fifty-seven million, two hundred twenty-eight thousand, four hundred nineteen".