2243112997 has 2 divisors, whose sum is σ = 2243112998. Its totient is φ = 2243112996.

The previous prime is 2243112959. The next prime is 2243113021. The reversal of 2243112997 is 7992113422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1239110401 + 1004002596 = 35201^2 + 31686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243112997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243115997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121556498 + 1121556499.

It is an arithmetic number, because the mean of its divisors is an integer number (1121556499).

Almost surely, 2^2243112997 is an apocalyptic number.

It is an amenable number.

2243112997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243112997 is an equidigital number, since it uses as much as digits as its factorization.

2243112997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 2243112997 is about 47361.5138799426. The cubic root of 2243112997 is about 1309.0323637256.

The spelling of 2243112997 in words is "two billion, two hundred forty-three million, one hundred twelve thousand, nine hundred ninety-seven".