22624109 has 2 divisors, whose sum is σ = 22624110. Its totient is φ = 22624108.

The previous prime is 22624103. The next prime is 22624139. The reversal of 22624109 is 90142622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20448484 + 2175625 = 4522^2 + 1475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22624109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22624103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11312054 + 11312055.

It is an arithmetic number, because the mean of its divisors is an integer number (11312055).

Almost surely, 2^22624109 is an apocalyptic number.

It is an amenable number.

22624109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22624109 is an equidigital number, since it uses as much as digits as its factorization.

22624109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 22624109 is about 4756.4807368474. The cubic root of 22624109 is about 282.8289284780.

The spelling of 22624109 in words is "twenty-two million, six hundred twenty-four thousand, one hundred nine".