22644106019 has 2 divisors, whose sum is σ = 22644106020. Its totient is φ = 22644106018.

The previous prime is 22644106003. The next prime is 22644106049. The reversal of 22644106019 is 91060144622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22644106019 - 2⁴ = 22644106003 is a prime.

It is a super-2 number, since 2×22644106019² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22644106019.

It is not a weakly prime, because it can be changed into another prime (22644106049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11322053009 + 11322053010.

It is an arithmetic number, because the mean of its divisors is an integer number (11322053010).

Almost surely, 2^22644106019 is an apocalyptic number.

22644106019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22644106019 is an equidigital number, since it uses as much as digits as its factorization.

22644106019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 22644106019 in words is "twenty-two billion, six hundred forty-four million, one hundred six thousand, nineteen".