224364857 has 2 divisors, whose sum is σ = 224364858. Its totient is φ = 224364856.

The previous prime is 224364823. The next prime is 224364883. The reversal of 224364857 is 758463422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185477161 + 38887696 = 13619^2 + 6236^2 .

It is a cyclic number.

It is not a de Polignac number, because 224364857 - 2⁸ = 224364601 is a prime.

It is a Chen prime.

It is equal to p_12349886 and since 224364857 and 12349886 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (224364557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112182428 + 112182429.

It is an arithmetic number, because the mean of its divisors is an integer number (112182429).

Almost surely, 2^224364857 is an apocalyptic number.

It is an amenable number.

224364857 is a deficient number, since it is larger than the sum of its proper divisors (1).

224364857 is an equidigital number, since it uses as much as digits as its factorization.

224364857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 41.

The square root of 224364857 is about 14978.8136045549. The cubic root of 224364857 is about 607.6473538244.

The spelling of 224364857 in words is "two hundred twenty-four million, three hundred sixty-four thousand, eight hundred fifty-seven".