22451435345 has 4 divisors (see below), whose sum is σ = 26941722420. Its totient is φ = 17961148272.

The previous prime is 22451435341. The next prime is 22451435351. The reversal of 22451435345 is 54353415422.

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 7196468224 + 15254967121 = 84832^2 + 123511^2 .

It is a cyclic number.

It is not a de Polignac number, because 22451435345 - 2² = 22451435341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22451435299 and 22451435308.

It is not an unprimeable number, because it can be changed into a prime (22451435341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245143530 + ... + 2245143539.

It is an arithmetic number, because the mean of its divisors is an integer number (6735430605).

Almost surely, 2^22451435345 is an apocalyptic number.

It is an amenable number.

22451435345 is a deficient number, since it is larger than the sum of its proper divisors (4490287075).

22451435345 is an equidigital number, since it uses as much as digits as its factorization.

22451435345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490287074.

The product of its digits is 288000, while the sum is 38.

The spelling of 22451435345 in words is "twenty-two billion, four hundred fifty-one million, four hundred thirty-five thousand, three hundred forty-five".