22224109 has 2 divisors, whose sum is σ = 22224110. Its totient is φ = 22224108.

The previous prime is 22224089. The next prime is 22224113. The reversal of 22224109 is 90142222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16024009 + 6200100 = 4003^2 + 2490^2 .

It is a cyclic number.

It is not a de Polignac number, because 22224109 - 2¹⁷ = 22093037 is a prime.

It is a super-2 number, since 2×22224109² = 987822041687762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22224109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22224149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112054 + 11112055.

It is an arithmetic number, because the mean of its divisors is an integer number (11112055).

Almost surely, 2^22224109 is an apocalyptic number.

It is an amenable number.

22224109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224109 is an equidigital number, since it uses as much as digits as its factorization.

22224109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22224109 is about 4714.2453266668. The cubic root of 22224109 is about 281.1521783921.

The spelling of 22224109 in words is "twenty-two million, two hundred twenty-four thousand, one hundred nine".