22081214783149 has 4 divisors (see below), whose sum is σ = 22308856172764. Its totient is φ = 21853573393536.

The previous prime is 22081214783129. The next prime is 22081214783153. The reversal of 22081214783149 is 94138741218022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5515419371049 + 16565795412100 = 2348493^2 + 4070110^2 .

It is a cyclic number.

It is not a de Polignac number, because 22081214783149 - 2⁷ = 22081214783021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22081214783096 and 22081214783105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22081214783129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113820694662 + ... + 113820694855.

It is an arithmetic number, because the mean of its divisors is an integer number (5577214043191).

Almost surely, 2^{22081214783149} is an apocalyptic number.

It is an amenable number.

22081214783149 is a deficient number, since it is larger than the sum of its proper divisors (227641389615).

22081214783149 is an equidigital number, since it uses as much as digits as its factorization.

22081214783149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227641389614.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 22081214783149 in words is "twenty-two trillion, eighty-one billion, two hundred fourteen million, seven hundred eighty-three thousand, one hundred forty-nine".