2225141561 has 2 divisors, whose sum is σ = 2225141562. Its totient is φ = 2225141560.

The previous prime is 2225141549. The next prime is 2225141579. The reversal of 2225141561 is 1651415222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2223594025 + 1547536 = 47155^2 + 1244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225141561 - 2⁶ = 2225141497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2225141531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112570780 + 1112570781.

It is an arithmetic number, because the mean of its divisors is an integer number (1112570781).

Almost surely, 2^2225141561 is an apocalyptic number.

It is an amenable number.

2225141561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225141561 is an equidigital number, since it uses as much as digits as its factorization.

2225141561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 29.

The square root of 2225141561 is about 47171.4061800155. The cubic root of 2225141561 is about 1305.5270715832.

Adding to 2225141561 its reverse (1651415222), we get a palindrome (3876556783).

The spelling of 2225141561 in words is "two billion, two hundred twenty-five million, one hundred forty-one thousand, five hundred sixty-one".