22248452845 has 8 divisors (see below), whose sum is σ = 26703204120. Its totient is φ = 17795388480.

The previous prime is 22248452827. The next prime is 22248452893. The reversal of 22248452845 is 54825484222.

It can be written as a sum of positive squares in 4 ways, for example, as 622103364 + 21626349481 = 24942^2 + 147059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22248452845 - 2⁹ = 22248452333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22248452795 and 22248452804.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 392526 + ... + 445615.

It is an arithmetic number, because the mean of its divisors is an integer number (3337900515).

Almost surely, 2^22248452845 is an apocalyptic number.

It is an amenable number.

22248452845 is a deficient number, since it is larger than the sum of its proper divisors (4454751275).

22248452845 is an equidigital number, since it uses as much as digits as its factorization.

22248452845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843455.

The product of its digits is 1638400, while the sum is 46.

The spelling of 22248452845 in words is "twenty-two billion, two hundred forty-eight million, four hundred fifty-two thousand, eight hundred forty-five".