22388110445 has 8 divisors (see below), whose sum is σ = 26878223736. Its totient is φ = 17902160896.

The previous prime is 22388110427. The next prime is 22388110447. The reversal of 22388110445 is 54401188322.

It can be written as a sum of positive squares in 4 ways, for example, as 1620706564 + 20767403881 = 40258^2 + 144109^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22388110445 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22388110399 and 22388110408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22388110447) 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, 1029092 + ... + 1050621.

It is an arithmetic number, because the mean of its divisors is an integer number (3359777967).

Almost surely, 2^22388110445 is an apocalyptic number.

It is an amenable number.

22388110445 is a deficient number, since it is larger than the sum of its proper divisors (4490113291).

22388110445 is a wasteful number, since it uses less digits than its factorization.

22388110445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081871.

The product of its (nonzero) digits is 61440, while the sum is 38.

Adding to 22388110445 its reverse (54401188322), we get a palindrome (76789298767).

The spelling of 22388110445 in words is "twenty-two billion, three hundred eighty-eight million, one hundred ten thousand, four hundred forty-five".