224112749857 has 2 divisors, whose sum is σ = 224112749858. Its totient is φ = 224112749856.

The previous prime is 224112749761. The next prime is 224112749873. The reversal of 224112749857 is 758947211422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161472170896 + 62640578961 = 401836^2 + 250281^2 .

It is a cyclic number.

It is not a de Polignac number, because 224112749857 - 2¹⁹ = 224112225569 is a prime.

It is not a weakly prime, because it can be changed into another prime (224112749897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112056374928 + 112056374929.

It is an arithmetic number, because the mean of its divisors is an integer number (112056374929).

Almost surely, 2^224112749857 is an apocalyptic number.

It is an amenable number.

224112749857 is a deficient number, since it is larger than the sum of its proper divisors (1).

224112749857 is an equidigital number, since it uses as much as digits as its factorization.

224112749857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 52.

The spelling of 224112749857 in words is "two hundred twenty-four billion, one hundred twelve million, seven hundred forty-nine thousand, eight hundred fifty-seven".