22273109 has 2 divisors, whose sum is σ = 22273110. Its totient is φ = 22273108.

The previous prime is 22273081. The next prime is 22273117. The reversal of 22273109 is 90137222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 9132484 = 3625^2 + 3022^2 .

It is a cyclic number.

It is not a de Polignac number, because 22273109 - 2¹⁶ = 22207573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22273129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11136554 + 11136555.

It is an arithmetic number, because the mean of its divisors is an integer number (11136555).

Almost surely, 2^22273109 is an apocalyptic number.

It is an amenable number.

22273109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22273109 is an equidigital number, since it uses as much as digits as its factorization.

22273109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 22273109 is about 4719.4394794297. The cubic root of 22273109 is about 281.3586560255.

The spelling of 22273109 in words is "twenty-two million, two hundred seventy-three thousand, one hundred nine".