22221010221019 has 2 divisors, whose sum is σ = 22221010221020. Its totient is φ = 22221010221018.

The previous prime is 22221010221001. The next prime is 22221010221061. The reversal of 22221010221019 is 91012201012222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22221010221019 - 2⁵ = 22221010220987 is a prime.

It is a super-2 number, since 2×22221010221019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22221010220984 and 22221010221002.

It is not a weakly prime, because it can be changed into another prime (22221010221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110505110509 + 11110505110510.

It is an arithmetic number, because the mean of its divisors is an integer number (11110505110510).

Almost surely, 2^{22221010221019} is an apocalyptic number.

22221010221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221010221019 is an equidigital number, since it uses as much as digits as its factorization.

22221010221019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 22221010221019 in words is "twenty-two trillion, two hundred twenty-one billion, ten million, two hundred twenty-one thousand, nineteen".