22986529 has 2 divisors, whose sum is σ = 22986530. Its totient is φ = 22986528.

The previous prime is 22986521. The next prime is 22986539. The reversal of 22986529 is 92568922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18792225 + 4194304 = 4335^2 + 2048^2 .

It is a cyclic number.

It is not a de Polignac number, because 22986529 - 2³ = 22986521 is a prime.

It is not a weakly prime, because it can be changed into another prime (22986521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11493264 + 11493265.

It is an arithmetic number, because the mean of its divisors is an integer number (11493265).

Almost surely, 2^22986529 is an apocalyptic number.

It is an amenable number.

22986529 is a deficient number, since it is larger than the sum of its proper divisors (1).

22986529 is an equidigital number, since it uses as much as digits as its factorization.

22986529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 22986529 is about 4794.4268687717. The cubic root of 22986529 is about 284.3311657912.

The spelling of 22986529 in words is "twenty-two million, nine hundred eighty-six thousand, five hundred twenty-nine".