2888602857221 has 2 divisors, whose sum is σ = 2888602857222. Its totient is φ = 2888602857220.

The previous prime is 2888602857131. The next prime is 2888602857331. The reversal of 2888602857221 is 1227582068882.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2365351720900 + 523251136321 = 1537970^2 + 723361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2888602857221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2888602857421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444301428610 + 1444301428611.

It is an arithmetic number, because the mean of its divisors is an integer number (1444301428611).

Almost surely, 2^{2888602857221} is an apocalyptic number.

It is an amenable number.

2888602857221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2888602857221 is an equidigital number, since it uses as much as digits as its factorization.

2888602857221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13762560, while the sum is 59.

The spelling of 2888602857221 in words is "two trillion, eight hundred eighty-eight billion, six hundred two million, eight hundred fifty-seven thousand, two hundred twenty-one".