22663285849 has 2 divisors, whose sum is σ = 22663285850. Its totient is φ = 22663285848.

The previous prime is 22663285817. The next prime is 22663285859. The reversal of 22663285849 is 94858236622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19682125849 + 2981160000 = 140293^2 + 54600^2 .

It is a cyclic number.

It is not a de Polignac number, because 22663285849 - 2⁵ = 22663285817 is a prime.

It is a super-5 number, since 5×22663285849⁵ (a number of 53 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22663285849.

It is not a weakly prime, because it can be changed into another prime (22663285859) 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, 11331642924 + 11331642925.

It is an arithmetic number, because the mean of its divisors is an integer number (11331642925).

Almost surely, 2^22663285849 is an apocalyptic number.

It is an amenable number.

22663285849 is a deficient number, since it is larger than the sum of its proper divisors (1).

22663285849 is an equidigital number, since it uses as much as digits as its factorization.

22663285849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 55.

It can be divided in two parts, 226632 and 85849, that added together give a square (312481 = 559²).

The spelling of 22663285849 in words is "twenty-two billion, six hundred sixty-three million, two hundred eighty-five thousand, eight hundred forty-nine".