22244283643 has 4 divisors (see below), whose sum is σ = 22249545328. Its totient is φ = 22239021960.

The previous prime is 22244283617. The next prime is 22244283679. The reversal of 22244283643 is 34638244222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34638244222 = 2 ⋅17319122111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22244283643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22244283596 and 22244283605.

It is not an unprimeable number, because it can be changed into a prime (22244283613) 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, 2624496 + ... + 2632957.

It is an arithmetic number, because the mean of its divisors is an integer number (5562386332).

Almost surely, 2^22244283643 is an apocalyptic number.

22244283643 is a deficient number, since it is larger than the sum of its proper divisors (5261685).

22244283643 is an equidigital number, since it uses as much as digits as its factorization.

22244283643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261684.

The product of its digits is 442368, while the sum is 40.

The spelling of 22244283643 in words is "twenty-two billion, two hundred forty-four million, two hundred eighty-three thousand, six hundred forty-three".