22320220321 has 32 divisors (see below), whose sum is σ = 26230763520. Its totient is φ = 18598667904.

The previous prime is 22320220259. The next prime is 22320220337. The reversal of 22320220321 is 12302202322.

It is a cyclic number.

It is not a de Polignac number, because 22320220321 - 2¹¹ = 22320218273 is a prime.

It is a super-3 number, since 3×22320220321³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22320220121) 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, 15684616 + ... + 15686038.

It is an arithmetic number, because the mean of its divisors is an integer number (819711360).

Almost surely, 2^22320220321 is an apocalyptic number.

It is an amenable number.

22320220321 is a deficient number, since it is larger than the sum of its proper divisors (3910543199).

22320220321 is a wasteful number, since it uses less digits than its factorization.

22320220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22320220321 its reverse (12302202322), we get a palindrome (34622422643).

The spelling of 22320220321 in words is "twenty-two billion, three hundred twenty million, two hundred twenty thousand, three hundred twenty-one".