2209132889 has 2 divisors, whose sum is σ = 2209132890. Its totient is φ = 2209132888.

The previous prime is 2209132879. The next prime is 2209132987. The reversal of 2209132889 is 9882319022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1528810000 + 680322889 = 39100^2 + 26083^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209132889 - 2¹⁶ = 2209067353 is a prime.

It is a super-2 number, since 2×2209132889² = 9760536242522972642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2209132829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104566444 + 1104566445.

It is an arithmetic number, because the mean of its divisors is an integer number (1104566445).

Almost surely, 2^2209132889 is an apocalyptic number.

It is an amenable number.

2209132889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209132889 is an equidigital number, since it uses as much as digits as its factorization.

2209132889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 2209132889 is about 47001.4136915051. The cubic root of 2209132889 is about 1302.3886829834.

The spelling of 2209132889 in words is "two billion, two hundred nine million, one hundred thirty-two thousand, eight hundred eighty-nine".