22992559 has 2 divisors, whose sum is σ = 22992560. Its totient is φ = 22992558.

The previous prime is 22992539. The next prime is 22992581. The reversal of 22992559 is 95529922.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22992559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22992539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11496279 + 11496280.

It is an arithmetic number, because the mean of its divisors is an integer number (11496280).

Almost surely, 2^22992559 is an apocalyptic number.

22992559 is a deficient number, since it is larger than the sum of its proper divisors (1).

22992559 is an equidigital number, since it uses as much as digits as its factorization.

22992559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The square root of 22992559 is about 4795.0556826798. The cubic root of 22992559 is about 284.3560262509.

The spelling of 22992559 in words is "twenty-two million, nine hundred ninety-two thousand, five hundred fifty-nine".