22816559 has 2 divisors, whose sum is σ = 22816560. Its totient is φ = 22816558.

The previous prime is 22816537. The next prime is 22816571. The reversal of 22816559 is 95561822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22816559 - 2²⁴ = 6039343 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 (22816579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11408279 + 11408280.

It is an arithmetic number, because the mean of its divisors is an integer number (11408280).

Almost surely, 2^22816559 is an apocalyptic number.

22816559 is a deficient number, since it is larger than the sum of its proper divisors (1).

22816559 is an equidigital number, since it uses as much as digits as its factorization.

22816559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 22816559 is about 4776.6681902766. The cubic root of 22816559 is about 283.6286184112.

The spelling of 22816559 in words is "twenty-two million, eight hundred sixteen thousand, five hundred fifty-nine".