2242987997 has 2 divisors, whose sum is σ = 2242987998. Its totient is φ = 2242987996.

The previous prime is 2242987937. The next prime is 2242988009. The reversal of 2242987997 is 7997892422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1418953561 + 824034436 = 37669^2 + 28706^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242987997 - 2¹⁰ = 2242986973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2242987937) 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, 1121493998 + 1121493999.

It is an arithmetic number, because the mean of its divisors is an integer number (1121493999).

Almost surely, 2^2242987997 is an apocalyptic number.

It is an amenable number.

2242987997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242987997 is an equidigital number, since it uses as much as digits as its factorization.

2242987997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 59.

The square root of 2242987997 is about 47360.1942246862. The cubic root of 2242987997 is about 1309.0080475060.

The spelling of 2242987997 in words is "two billion, two hundred forty-two million, nine hundred eighty-seven thousand, nine hundred ninety-seven".