2243312240357 has 2 divisors, whose sum is σ = 2243312240358. Its totient is φ = 2243312240356.

The previous prime is 2243312240347. The next prime is 2243312240363. The reversal of 2243312240357 is 7530422133422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1502999988961 + 740312251396 = 1225969^2 + 860414^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243312240357 - 2⁴ = 2243312240341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2243312240357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243312240347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121656120178 + 1121656120179.

It is an arithmetic number, because the mean of its divisors is an integer number (1121656120179).

Almost surely, 2^{2243312240357} is an apocalyptic number.

It is an amenable number.

2243312240357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243312240357 is an equidigital number, since it uses as much as digits as its factorization.

2243312240357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 38.

Adding to 2243312240357 its reverse (7530422133422), we get a palindrome (9773734373779).

The spelling of 2243312240357 in words is "two trillion, two hundred forty-three billion, three hundred twelve million, two hundred forty thousand, three hundred fifty-seven".