22122021224489 has 2 divisors, whose sum is σ = 22122021224490. Its totient is φ = 22122021224488.

The previous prime is 22122021224417. The next prime is 22122021224557. The reversal of 22122021224489 is 98442212022122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18720549225625 + 3401471998864 = 4326725^2 + 1844308^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122021224489 - 2¹² = 22122021220393 is a prime.

It is a super-2 number, since 2×22122021224489² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22122021224789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061010612244 + 11061010612245.

It is an arithmetic number, because the mean of its divisors is an integer number (11061010612245).

Almost surely, 2^{22122021224489} is an apocalyptic number.

It is an amenable number.

22122021224489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122021224489 is an equidigital number, since it uses as much as digits as its factorization.

22122021224489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 22122021224489 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-four thousand, four hundred eighty-nine".