22113002609 has 2 divisors, whose sum is σ = 22113002610. Its totient is φ = 22113002608.

The previous prime is 22113002581. The next prime is 22113002621. The reversal of 22113002609 is 90620031122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16462173025 + 5650829584 = 128305^2 + 75172^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113002609 - 2¹⁶ = 22112937073 is a prime.

It is not a weakly prime, because it can be changed into another prime (22113002629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056501304 + 11056501305.

It is an arithmetic number, because the mean of its divisors is an integer number (11056501305).

Almost surely, 2^22113002609 is an apocalyptic number.

It is an amenable number.

22113002609 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113002609 is an equidigital number, since it uses as much as digits as its factorization.

22113002609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 22113002609 in words is "twenty-two billion, one hundred thirteen million, two thousand, six hundred nine".