22544415349 has 8 divisors (see below), whose sum is σ = 23249280600. Its totient is φ = 21846931200.

The previous prime is 22544415259. The next prime is 22544415371. The reversal of 22544415349 is 94351444522.

It can be written as a sum of positive squares in 4 ways, for example, as 219573124 + 22324842225 = 14818^2 + 149415^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22544415349 - 2¹¹ = 22544413301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22544415389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839072 + ... + 1851289.

It is an arithmetic number, because the mean of its divisors is an integer number (2906160075).

Almost surely, 2^22544415349 is an apocalyptic number.

It is an amenable number.

22544415349 is a deficient number, since it is larger than the sum of its proper divisors (704865251).

22544415349 is a wasteful number, since it uses less digits than its factorization.

22544415349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690551.

The product of its digits is 691200, while the sum is 43.

The spelling of 22544415349 in words is "twenty-two billion, five hundred forty-four million, four hundred fifteen thousand, three hundred forty-nine".