22470109 has 2 divisors, whose sum is σ = 22470110. Its totient is φ = 22470108.

The previous prime is 22470079. The next prime is 22470121. The reversal of 22470109 is 90107422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 9474084 = 3605^2 + 3078^2 .

It is a cyclic number.

It is not a de Polignac number, because 22470109 - 2⁷ = 22469981 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22470199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11235054 + 11235055.

It is an arithmetic number, because the mean of its divisors is an integer number (11235055).

Almost surely, 2^22470109 is an apocalyptic number.

It is an amenable number.

22470109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22470109 is an equidigital number, since it uses as much as digits as its factorization.

22470109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22470109 is about 4740.2646550588. The cubic root of 22470109 is about 282.1857376720.

The spelling of 22470109 in words is "twenty-two million, four hundred seventy thousand, one hundred nine".