22553544439 has 4 divisors (see below), whose sum is σ = 22569004120. Its totient is φ = 22538084760.

The previous prime is 22553544397. The next prime is 22553544463. The reversal of 22553544439 is 93444535522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22553544439 - 2⁷ = 22553544311 is a prime.

It is a super-3 number, since 3×22553544439³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22553547439) 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, 7727652 + ... + 7730569.

It is an arithmetic number, because the mean of its divisors is an integer number (5642251030).

Almost surely, 2^22553544439 is an apocalyptic number.

22553544439 is a deficient number, since it is larger than the sum of its proper divisors (15459681).

22553544439 is a wasteful number, since it uses less digits than its factorization.

22553544439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15459680.

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

The spelling of 22553544439 in words is "twenty-two billion, five hundred fifty-three million, five hundred forty-four thousand, four hundred thirty-nine".