2002291217 has 2 divisors, whose sum is σ = 2002291218. Its totient is φ = 2002291216.

The previous prime is 2002291199. The next prime is 2002291237. The reversal of 2002291217 is 7121922002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1901308816 + 100982401 = 43604^2 + 10049^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002291217 - 2⁶ = 2002291153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002291237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001145608 + 1001145609.

It is an arithmetic number, because the mean of its divisors is an integer number (1001145609).

Almost surely, 2^2002291217 is an apocalyptic number.

It is an amenable number.

2002291217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002291217 is an equidigital number, since it uses as much as digits as its factorization.

2002291217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2002291217 is about 44746.9688023669. The cubic root of 2002291217 is about 1260.4019917060.

The spelling of 2002291217 in words is "two billion, two million, two hundred ninety-one thousand, two hundred seventeen".