22266825019 has 2 divisors, whose sum is σ = 22266825020. Its totient is φ = 22266825018.

The previous prime is 22266825017. The next prime is 22266825023. The reversal of 22266825019 is 91052866222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22266825019 - 2¹ = 22266825017 is a prime.

It is a super-2 number, since 2×22266825019² (a number of 21 digits) contains 22 as substring.

Together with 22266825017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22266825017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11133412509 + 11133412510.

It is an arithmetic number, because the mean of its divisors is an integer number (11133412510).

Almost surely, 2^22266825019 is an apocalyptic number.

22266825019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22266825019 is an equidigital number, since it uses as much as digits as its factorization.

22266825019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 22266825019 in words is "twenty-two billion, two hundred sixty-six million, eight hundred twenty-five thousand, nineteen".