22076512321 has 8 divisors (see below), whose sum is σ = 22381539464. Its totient is φ = 21771555840.

The previous prime is 22076512259. The next prime is 22076512343. The reversal of 22076512321 is 12321567022.

It can be written as a sum of positive squares in 4 ways, for example, as 9020250625 + 13056261696 = 94975^2 + 114264^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22076512321 - 2¹¹ = 22076510273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22076512621) 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, 1065541 + ... + 1086061.

It is an arithmetic number, because the mean of its divisors is an integer number (2797692433).

Almost surely, 2^22076512321 is an apocalyptic number.

It is an amenable number.

22076512321 is a deficient number, since it is larger than the sum of its proper divisors (305027143).

22076512321 is a wasteful number, since it uses less digits than its factorization.

22076512321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35331.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 22076512321 in words is "twenty-two billion, seventy-six million, five hundred twelve thousand, three hundred twenty-one".