22001200321 has 8 divisors (see below), whose sum is σ = 22964909760. Its totient is φ = 21038085552.

The previous prime is 22001200289. The next prime is 22001200339. The reversal of 22001200321 is 12300210022.

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 22001200321 - 2⁵ = 22001200289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001200391) 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, 72211 + ... + 221848.

It is an arithmetic number, because the mean of its divisors is an integer number (2870613720).

Almost surely, 2^22001200321 is an apocalyptic number.

It is an amenable number.

22001200321 is a deficient number, since it is larger than the sum of its proper divisors (963709439).

22001200321 is a wasteful number, since it uses less digits than its factorization.

22001200321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297335.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22001200321 its reverse (12300210022), we get a palindrome (34301410343).

The spelling of 22001200321 in words is "twenty-two billion, one million, two hundred thousand, three hundred twenty-one".