1008228857 has 2 divisors, whose sum is σ = 1008228858. Its totient is φ = 1008228856.

The previous prime is 1008228853. The next prime is 1008228887. The reversal of 1008228857 is 7588228001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 535644736 + 472584121 = 23144^2 + 21739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008228857 - 2² = 1008228853 is a prime.

It is not a weakly prime, because it can be changed into another prime (1008228853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504114428 + 504114429.

It is an arithmetic number, because the mean of its divisors is an integer number (504114429).

Almost surely, 2^1008228857 is an apocalyptic number.

It is an amenable number.

1008228857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008228857 is an equidigital number, since it uses as much as digits as its factorization.

1008228857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 1008228857 is about 31752.6196872006. The cubic root of 1008228857 is about 1002.7354627539.

The spelling of 1008228857 in words is "one billion, eight million, two hundred twenty-eight thousand, eight hundred fifty-seven".