22315044321 has 32 divisors (see below), whose sum is σ = 33590966400. Its totient is φ = 14637965760.

The previous prime is 22315044313. The next prime is 22315044331. The reversal of 22315044321 is 12344051322.

22315044321 is a `hidden beast` number, since 22 + 315 + 0 + 4 + 4 + 321 = 666.

It is not a de Polignac number, because 22315044321 - 2³ = 22315044313 is a prime.

It is a super-3 number, since 3×22315044321³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22315044331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1695715 + ... + 1708823.

It is an arithmetic number, because the mean of its divisors is an integer number (1049717700).

Almost surely, 2^22315044321 is an apocalyptic number.

It is an amenable number.

22315044321 is a deficient number, since it is larger than the sum of its proper divisors (11275922079).

22315044321 is a wasteful number, since it uses less digits than its factorization.

22315044321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14126 (or 14120 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 22315044321 its reverse (12344051322), we get a palindrome (34659095643).

The spelling of 22315044321 in words is "twenty-two billion, three hundred fifteen million, forty-four thousand, three hundred twenty-one".