22241002705 has 4 divisors (see below), whose sum is σ = 26689203252. Its totient is φ = 17792802160.

The previous prime is 22241002633. The next prime is 22241002747. The reversal of 22241002705 is 50720014222.

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 4203706896 + 18037295809 = 64836^2 + 134303^2 .

It is not a de Polignac number, because 22241002705 - 2¹⁹ = 22240478417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22241002705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2224100266 + ... + 2224100275.

It is an arithmetic number, because the mean of its divisors is an integer number (6672300813).

Almost surely, 2^22241002705 is an apocalyptic number.

It is an amenable number.

22241002705 is a deficient number, since it is larger than the sum of its proper divisors (4448200547).

22241002705 is an equidigital number, since it uses as much as digits as its factorization.

22241002705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448200546.

The product of its (nonzero) digits is 2240, while the sum is 25.

Adding to 22241002705 its reverse (50720014222), we get a palindrome (72961016927).

The spelling of 22241002705 in words is "twenty-two billion, two hundred forty-one million, two thousand, seven hundred five".