2242265521 has 2 divisors, whose sum is σ = 2242265522. Its totient is φ = 2242265520.

The previous prime is 2242265513. The next prime is 2242265539. The reversal of 2242265521 is 1255622422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2180423025 + 61842496 = 46695^2 + 7864^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242265521 - 2³ = 2242265513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2242265551) 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, 1121132760 + 1121132761.

It is an arithmetic number, because the mean of its divisors is an integer number (1121132761).

Almost surely, 2^2242265521 is an apocalyptic number.

It is an amenable number.

2242265521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242265521 is an equidigital number, since it uses as much as digits as its factorization.

2242265521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 2242265521 is about 47352.5661501043. The cubic root of 2242265521 is about 1308.8674867215.

Adding to 2242265521 its reverse (1255622422), we get a palindrome (3497887943).

The spelling of 2242265521 in words is "two billion, two hundred forty-two million, two hundred sixty-five thousand, five hundred twenty-one".