22032321001 has 4 divisors (see below), whose sum is σ = 22056038100. Its totient is φ = 22008603904.

The previous prime is 22032320953. The next prime is 22032321007. The reversal of 22032321001 is 10012323022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1283358976 + 20748962025 = 35824^2 + 144045^2 .

It is a cyclic number.

It is not a de Polignac number, because 22032321001 - 2⁹ = 22032320489 is a prime.

It is a super-2 number, since 2×22032321001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22032321007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11857156 + ... + 11859013.

It is an arithmetic number, because the mean of its divisors is an integer number (5514009525).

Almost surely, 2^22032321001 is an apocalyptic number.

It is an amenable number.

22032321001 is a deficient number, since it is larger than the sum of its proper divisors (23717099).

22032321001 is an equidigital number, since it uses as much as digits as its factorization.

22032321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23717098.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22032321001 its reverse (10012323022), we get a palindrome (32044644023).

The spelling of 22032321001 in words is "twenty-two billion, thirty-two million, three hundred twenty-one thousand, one".