22108087 has 2 divisors, whose sum is σ = 22108088. Its totient is φ = 22108086.

The previous prime is 22108081. The next prime is 22108127. The reversal of 22108087 is 78080122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22108087 - 2⁷ = 22107959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22108081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11054043 + 11054044.

It is an arithmetic number, because the mean of its divisors is an integer number (11054044).

Almost surely, 2^22108087 is an apocalyptic number.

22108087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22108087 is an equidigital number, since it uses as much as digits as its factorization.

22108087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 22108087 is about 4701.9237552304. The cubic root of 22108087 is about 280.6620684892.

The spelling of 22108087 in words is "twenty-two million, one hundred eight thousand, eighty-seven".