22110788345 has 4 divisors (see below), whose sum is σ = 26532946020. Its totient is φ = 17688630672.

The previous prime is 22110788341. The next prime is 22110788351. The reversal of 22110788345 is 54388701122.

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 6896305936 + 15214482409 = 83044^2 + 123347^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110788345 - 2² = 22110788341 is a prime.

It is a super-2 number, since 2×22110788345² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22110788341) 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, 2211078830 + ... + 2211078839.

It is an arithmetic number, because the mean of its divisors is an integer number (6633236505).

Almost surely, 2^22110788345 is an apocalyptic number.

It is an amenable number.

22110788345 is a deficient number, since it is larger than the sum of its proper divisors (4422157675).

22110788345 is an equidigital number, since it uses as much as digits as its factorization.

22110788345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422157674.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 22110788345 in words is "twenty-two billion, one hundred ten million, seven hundred eighty-eight thousand, three hundred forty-five".