57222523 has 2 divisors, whose sum is σ = 57222524. Its totient is φ = 57222522.

The previous prime is 57222491. The next prime is 57222533. The reversal of 57222523 is 32522275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57222523 - 2⁵ = 57222491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57222491 and 57222500.

It is not a weakly prime, because it can be changed into another prime (57222533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28611261 + 28611262.

It is an arithmetic number, because the mean of its divisors is an integer number (28611262).

Almost surely, 2^57222523 is an apocalyptic number.

57222523 is a deficient number, since it is larger than the sum of its proper divisors (1).

57222523 is an equidigital number, since it uses as much as digits as its factorization.

57222523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 28.

The square root of 57222523 is about 7564.5570260260. The cubic root of 57222523 is about 385.3502698628.

Adding to 57222523 its reverse (32522275), we get a palindrome (89744798).

The spelling of 57222523 in words is "fifty-seven million, two hundred twenty-two thousand, five hundred twenty-three".