22332109 has 2 divisors, whose sum is σ = 22332110. Its totient is φ = 22332108.

The previous prime is 22332071. The next prime is 22332113. The reversal of 22332109 is 90123322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 1447209 = 4570^2 + 1203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22332109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22332109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22332209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11166054 + 11166055.

It is an arithmetic number, because the mean of its divisors is an integer number (11166055).

Almost surely, 2^22332109 is an apocalyptic number.

It is an amenable number.

22332109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22332109 is an equidigital number, since it uses as much as digits as its factorization.

22332109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 22332109 is about 4725.6860877549. The cubic root of 22332109 is about 281.6068705078.

The spelling of 22332109 in words is "twenty-two million, three hundred thirty-two thousand, one hundred nine".