2220202997 has 2 divisors, whose sum is σ = 2220202998. Its totient is φ = 2220202996.

The previous prime is 2220202993. The next prime is 2220203017. The reversal of 2220202997 is 7992020222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1590494161 + 629708836 = 39881^2 + 25094^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220202997 - 2² = 2220202993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220202993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110101498 + 1110101499.

It is an arithmetic number, because the mean of its divisors is an integer number (1110101499).

Almost surely, 2^2220202997 is an apocalyptic number.

It is an amenable number.

2220202997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220202997 is an equidigital number, since it uses as much as digits as its factorization.

2220202997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2220202997 is about 47119.0300940077. The cubic root of 2220202997 is about 1304.5605106402.

The spelling of 2220202997 in words is "two billion, two hundred twenty million, two hundred two thousand, nine hundred ninety-seven".