22553544394 has 12 divisors (see below), whose sum is σ = 35937396054. Its totient is φ = 10613432384.

The previous prime is 22553544347. The next prime is 22553544397. The reversal of 22553544394 is 49344535522.

It is a happy number.

22553544394 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 22541118769 + 12425625 = 150137^2 + 3525^2 .

It is not an unprimeable number, because it can be changed into a prime (22553544397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19509409 + ... + 19510564.

Almost surely, 2^22553544394 is an apocalyptic number.

22553544394 is a deficient number, since it is larger than the sum of its proper divisors (13383851660).

22553544394 is a wasteful number, since it uses less digits than its factorization.

22553544394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39020009 (or 39019992 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 46.

The spelling of 22553544394 in words is "twenty-two billion, five hundred fifty-three million, five hundred forty-four thousand, three hundred ninety-four".