22041312245 has 4 divisors (see below), whose sum is σ = 26449574700. Its totient is φ = 17633049792.

The previous prime is 22041312239. The next prime is 22041312299. The reversal of 22041312245 is 54221314022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54221314022 = 2 ⋅27110657011.

It can be written as a sum of positive squares in 2 ways, for example, as 3267379921 + 18773932324 = 57161^2 + 137018^2 .

It is a cyclic number.

It is not a de Polignac number, because 22041312245 - 2¹⁶ = 22041246709 is a prime.

It is a Curzon number.

It is a congruent number.

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, 2204131220 + ... + 2204131229.

It is an arithmetic number, because the mean of its divisors is an integer number (6612393675).

Almost surely, 2^22041312245 is an apocalyptic number.

It is an amenable number.

22041312245 is a deficient number, since it is larger than the sum of its proper divisors (4408262455).

22041312245 is an equidigital number, since it uses as much as digits as its factorization.

22041312245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408262454.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22041312245 its reverse (54221314022), we get a palindrome (76262626267).

The spelling of 22041312245 in words is "twenty-two billion, forty-one million, three hundred twelve thousand, two hundred forty-five".