22087259 has 2 divisors, whose sum is σ = 22087260. Its totient is φ = 22087258.

The previous prime is 22087243. The next prime is 22087297. The reversal of 22087259 is 95278022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22087259 - 2⁴ = 22087243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22087759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11043629 + 11043630.

It is an arithmetic number, because the mean of its divisors is an integer number (11043630).

Almost surely, 2^22087259 is an apocalyptic number.

22087259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22087259 is an equidigital number, since it uses as much as digits as its factorization.

22087259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 22087259 is about 4699.7083952092. The cubic root of 22087259 is about 280.5739036735.

The spelling of 22087259 in words is "twenty-two million, eighty-seven thousand, two hundred fifty-nine".