2209890113 has 2 divisors, whose sum is σ = 2209890114. Its totient is φ = 2209890112.

The previous prime is 2209890107. The next prime is 2209890169. The reversal of 2209890113 is 3110989022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2080089664 + 129800449 = 45608^2 + 11393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209890113 - 2²² = 2205695809 is a prime.

It is a super-2 number, since 2×2209890113² = 9767228623070305538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2209890313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104945056 + 1104945057.

It is an arithmetic number, because the mean of its divisors is an integer number (1104945057).

Almost surely, 2^2209890113 is an apocalyptic number.

It is an amenable number.

2209890113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209890113 is an equidigital number, since it uses as much as digits as its factorization.

2209890113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 2209890113 is about 47009.4683335177. The cubic root of 2209890113 is about 1302.5374724797.

It can be divided in two parts, 22098 and 90113, that added together give a palindrome (112211).

The spelling of 2209890113 in words is "two billion, two hundred nine million, eight hundred ninety thousand, one hundred thirteen".