57227223 has 4 divisors (see below), whose sum is σ = 76302968. Its totient is φ = 38151480.

The previous prime is 57227201. The next prime is 57227239. The reversal of 57227223 is 32272275.

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

It is not a de Polignac number, because 57227223 - 2²² = 53032919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57222223) 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 3 ways as a sum of consecutive naturals, for example, 9537868 + ... + 9537873.

It is an arithmetic number, because the mean of its divisors is an integer number (19075742).

Almost surely, 2^57227223 is an apocalyptic number.

57227223 is a deficient number, since it is larger than the sum of its proper divisors (19075745).

57227223 is a wasteful number, since it uses less digits than its factorization.

57227223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19075744.

The product of its digits is 11760, while the sum is 30.

The square root of 57227223 is about 7564.8676789485. The cubic root of 57227223 is about 385.3608198852.

Adding to 57227223 its reverse (32272275), we get a palindrome (89499498).

The spelling of 57227223 in words is "fifty-seven million, two hundred twenty-seven thousand, two hundred twenty-three".