22088513 has 2 divisors, whose sum is σ = 22088514. Its totient is φ = 22088512.

The previous prime is 22088509. The next prime is 22088531. The reversal of 22088513 is 31588022.

Together with next prime (22088531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20367169 + 1721344 = 4513^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 22088513 - 2² = 22088509 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22085513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11044256 + 11044257.

It is an arithmetic number, because the mean of its divisors is an integer number (11044257).

Almost surely, 2^22088513 is an apocalyptic number.

It is an amenable number.

22088513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22088513 is an equidigital number, since it uses as much as digits as its factorization.

22088513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 22088513 is about 4699.8418058484. The cubic root of 22088513 is about 280.5792134167.

The spelling of 22088513 in words is "twenty-two million, eighty-eight thousand, five hundred thirteen".