2243522203501 has 2 divisors, whose sum is σ = 2243522203502. Its totient is φ = 2243522203500.

The previous prime is 2243522203493. The next prime is 2243522203519. The reversal of 2243522203501 is 1053022253422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1915107247876 + 328414955625 = 1383874^2 + 573075^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243522203501 - 2³ = 2243522203493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243522203591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121761101750 + 1121761101751.

It is an arithmetic number, because the mean of its divisors is an integer number (1121761101751).

Almost surely, 2^{2243522203501} is an apocalyptic number.

It is an amenable number.

2243522203501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243522203501 is an equidigital number, since it uses as much as digits as its factorization.

2243522203501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 2243522203501 its reverse (1053022253422), we get a palindrome (3296544456923).

The spelling of 2243522203501 in words is "two trillion, two hundred forty-three billion, five hundred twenty-two million, two hundred three thousand, five hundred one".