22359893 has 2 divisors, whose sum is σ = 22359894. Its totient is φ = 22359892.

The previous prime is 22359889. The next prime is 22359901. The reversal of 22359893 is 39895322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15816529 + 6543364 = 3977^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 22359893 - 2² = 22359889 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22359893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22359823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11179946 + 11179947.

It is an arithmetic number, because the mean of its divisors is an integer number (11179947).

Almost surely, 2^22359893 is an apocalyptic number.

It is an amenable number.

22359893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22359893 is an equidigital number, since it uses as much as digits as its factorization.

22359893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 22359893 is about 4728.6248529567. The cubic root of 22359893 is about 281.7236070981.

The spelling of 22359893 in words is "twenty-two million, three hundred fifty-nine thousand, eight hundred ninety-three".