2208831061 has 2 divisors, whose sum is σ = 2208831062. Its totient is φ = 2208831060.

The previous prime is 2208831017. The next prime is 2208831071. The reversal of 2208831061 is 1601388022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1944280836 + 264550225 = 44094^2 + 16265^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208831061 - 2¹¹ = 2208829013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2208831071) 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, 1104415530 + 1104415531.

It is an arithmetic number, because the mean of its divisors is an integer number (1104415531).

Almost surely, 2^2208831061 is an apocalyptic number.

It is an amenable number.

2208831061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208831061 is an equidigital number, since it uses as much as digits as its factorization.

2208831061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2208831061 is about 46998.2027422326. The cubic root of 2208831061 is about 1302.3293663050.

The spelling of 2208831061 in words is "two billion, two hundred eight million, eight hundred thirty-one thousand, sixty-one".