22229087 has 2 divisors, whose sum is σ = 22229088. Its totient is φ = 22229086.

The previous prime is 22229057. The next prime is 22229111. The reversal of 22229087 is 78092222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22229087 - 2⁸ = 22228831 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 (22229027) 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, 11114543 + 11114544.

It is an arithmetic number, because the mean of its divisors is an integer number (11114544).

Almost surely, 2^22229087 is an apocalyptic number.

22229087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22229087 is an equidigital number, since it uses as much as digits as its factorization.

22229087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22229087 is about 4714.7732713249. The cubic root of 22229087 is about 281.1731686758.

The spelling of 22229087 in words is "twenty-two million, two hundred twenty-nine thousand, eighty-seven".