2243501569 has 2 divisors, whose sum is σ = 2243501570. Its totient is φ = 2243501568.

The previous prime is 2243501539. The next prime is 2243501597. The reversal of 2243501569 is 9651053422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2219540544 + 23961025 = 47112^2 + 4895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243501569 - 2¹¹ = 2243499521 is a prime.

It is a super-2 number, since 2×2243501569² = 10066598580210923522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2243501539) 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, 1121750784 + 1121750785.

It is an arithmetic number, because the mean of its divisors is an integer number (1121750785).

Almost surely, 2^2243501569 is an apocalyptic number.

It is an amenable number.

2243501569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243501569 is an equidigital number, since it uses as much as digits as its factorization.

2243501569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 2243501569 is about 47365.6158938106. The cubic root of 2243501569 is about 1309.1079467741.

The spelling of 2243501569 in words is "two billion, two hundred forty-three million, five hundred one thousand, five hundred sixty-nine".