22115315441 has 4 divisors (see below), whose sum is σ = 22116244800. Its totient is φ = 22114386084.

The previous prime is 22115315413. The next prime is 22115315569. The reversal of 22115315441 is 14451351122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22115315441 - 2⁶ = 22115315377 is a prime.

It is a super-3 number, since 3×22115315441³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22115305441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 428021 + ... + 476898.

It is an arithmetic number, because the mean of its divisors is an integer number (5529061200).

Almost surely, 2^22115315441 is an apocalyptic number.

It is an amenable number.

22115315441 is a deficient number, since it is larger than the sum of its proper divisors (929359).

22115315441 is an equidigital number, since it uses as much as digits as its factorization.

22115315441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929358.

The product of its digits is 4800, while the sum is 29.

Adding to 22115315441 its reverse (14451351122), we get a palindrome (36566666563).

The spelling of 22115315441 in words is "twenty-two billion, one hundred fifteen million, three hundred fifteen thousand, four hundred forty-one".