2229068561 has 2 divisors, whose sum is σ = 2229068562. Its totient is φ = 2229068560.

The previous prime is 2229068551. The next prime is 2229068579. The reversal of 2229068561 is 1658609222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2012419600 + 216648961 = 44860^2 + 14719^2 .

It is a cyclic number.

It is not a de Polignac number, because 2229068561 - 2²² = 2224874257 is a prime.

It is a super-2 number, since 2×2229068561² = 9937493299277221442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2229068531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114534280 + 1114534281.

It is an arithmetic number, because the mean of its divisors is an integer number (1114534281).

Almost surely, 2^2229068561 is an apocalyptic number.

It is an amenable number.

2229068561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229068561 is an equidigital number, since it uses as much as digits as its factorization.

2229068561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 2229068561 is about 47213.0126236401. The cubic root of 2229068561 is about 1306.2946320044.

The spelling of 2229068561 in words is "two billion, two hundred twenty-nine million, sixty-eight thousand, five hundred sixty-one".