22722283561345 has 4 divisors (see below), whose sum is σ = 27266740273620. Its totient is φ = 18177826849072.

The previous prime is 22722283561333. The next prime is 22722283561421. The reversal of 22722283561345 is 54316538222722.

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 9653125874704 + 13069157686641 = 3106948^2 + 3615129^2 .

It is a cyclic number.

It is not a de Polignac number, because 22722283561345 - 2⁹ = 22722283560833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22722283561292 and 22722283561301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272228356130 + ... + 2272228356139.

It is an arithmetic number, because the mean of its divisors is an integer number (6816685068405).

Almost surely, 2^{22722283561345} is an apocalyptic number.

It is an amenable number.

22722283561345 is a deficient number, since it is larger than the sum of its proper divisors (4544456712275).

22722283561345 is an equidigital number, since it uses as much as digits as its factorization.

22722283561345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544456712274.

The product of its digits is 9676800, while the sum is 52.

The spelling of 22722283561345 in words is "twenty-two trillion, seven hundred twenty-two billion, two hundred eighty-three million, five hundred sixty-one thousand, three hundred forty-five".