22232087 has 2 divisors, whose sum is σ = 22232088. Its totient is φ = 22232086.

The previous prime is 22232083. The next prime is 22232117. The reversal of 22232087 is 78023222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22232087 - 2² = 22232083 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22232083) 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, 11116043 + 11116044.

It is an arithmetic number, because the mean of its divisors is an integer number (11116044).

Almost surely, 2^22232087 is an apocalyptic number.

22232087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22232087 is an equidigital number, since it uses as much as digits as its factorization.

22232087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 22232087 is about 4715.0914095063. The cubic root of 22232087 is about 281.1858169920.

The spelling of 22232087 in words is "twenty-two million, two hundred thirty-two thousand, eighty-seven".