22203109 has 2 divisors, whose sum is σ = 22203110. Its totient is φ = 22203108.

The previous prime is 22203101. The next prime is 22203113. The reversal of 22203109 is 90130222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20520900 + 1682209 = 4530^2 + 1297^2 .

It is a cyclic number.

It is not a de Polignac number, because 22203109 - 2³ = 22203101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22203101) 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, 11101554 + 11101555.

It is an arithmetic number, because the mean of its divisors is an integer number (11101555).

Almost surely, 2^22203109 is an apocalyptic number.

It is an amenable number.

22203109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22203109 is an equidigital number, since it uses as much as digits as its factorization.

22203109 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 22203109 is about 4712.0175084564. The cubic root of 22203109 is about 281.0635950675.

It can be divided in two parts, 2220 and 3109, that added together give a square (5329 = 73²).

The spelling of 22203109 in words is "twenty-two million, two hundred three thousand, one hundred nine".