557222507 has 2 divisors, whose sum is σ = 557222508. Its totient is φ = 557222506.

The previous prime is 557222483. The next prime is 557222521. The reversal of 557222507 is 705222755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557222507 - 2¹² = 557218411 is a prime.

It is not a weakly prime, because it can be changed into another prime (557222527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278611253 + 278611254.

It is an arithmetic number, because the mean of its divisors is an integer number (278611254).

Almost surely, 2^557222507 is an apocalyptic number.

557222507 is a deficient number, since it is larger than the sum of its proper divisors (1).

557222507 is an equidigital number, since it uses as much as digits as its factorization.

557222507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 557222507 is about 23605.5609338139. The cubic root of 557222507 is about 822.8920816159.

The spelling of 557222507 in words is "five hundred fifty-seven million, two hundred twenty-two thousand, five hundred seven".