2202021219857 has 2 divisors, whose sum is σ = 2202021219858. Its totient is φ = 2202021219856.

The previous prime is 2202021219841. The next prime is 2202021220067. The reversal of 2202021219857 is 7589121202022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2160417866896 + 41603352961 = 1469836^2 + 203969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202021219857 - 2⁴ = 2202021219841 is a prime.

It is a super-2 number, since 2×2202021219857² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2202021219157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101010609928 + 1101010609929.

It is an arithmetic number, because the mean of its divisors is an integer number (1101010609929).

Almost surely, 2^{2202021219857} is an apocalyptic number.

It is an amenable number.

2202021219857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202021219857 is an equidigital number, since it uses as much as digits as its factorization.

2202021219857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 2202021219857 in words is "two trillion, two hundred two billion, twenty-one million, two hundred nineteen thousand, eight hundred fifty-seven".