22302109 has 2 divisors, whose sum is σ = 22302110. Its totient is φ = 22302108.

The previous prime is 22302107. The next prime is 22302139. The reversal of 22302109 is 90120322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16176484 + 6125625 = 4022^2 + 2475^2 .

It is a cyclic number.

It is not a de Polignac number, because 22302109 - 2¹ = 22302107 is a prime.

Together with 22302107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22302107) 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, 11151054 + 11151055.

It is an arithmetic number, because the mean of its divisors is an integer number (11151055).

Almost surely, 2^22302109 is an apocalyptic number.

It is an amenable number.

22302109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22302109 is an equidigital number, since it uses as much as digits as its factorization.

22302109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22302109 is about 4722.5108787593. The cubic root of 22302109 is about 281.4807144586.

The spelling of 22302109 in words is "twenty-two million, three hundred two thousand, one hundred nine".