22109069 has 2 divisors, whose sum is σ = 22109070. Its totient is φ = 22109068.

The previous prime is 22109063. The next prime is 22109077. The reversal of 22109069 is 96090122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19669225 + 2439844 = 4435^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 22109069 - 2⁸ = 22108813 is a prime.

It is a super-2 number, since 2×22109069² = 977621864093522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22109063) 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, 11054534 + 11054535.

It is an arithmetic number, because the mean of its divisors is an integer number (11054535).

Almost surely, 2^22109069 is an apocalyptic number.

It is an amenable number.

22109069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22109069 is an equidigital number, since it uses as much as digits as its factorization.

22109069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 22109069 is about 4702.0281794136. The cubic root of 22109069 is about 280.6662239229. Note that the first 3 decimals are identical.

The spelling of 22109069 in words is "twenty-two million, one hundred nine thousand, sixty-nine".