22321321401 has 4 divisors (see below), whose sum is σ = 29761761872. Its totient is φ = 14880880932.

The previous prime is 22321321331. The next prime is 22321321403. The reversal of 22321321401 is 10412312322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22321321401 - 2⁷ = 22321321273 is a prime.

It is a super-3 number, since 3×22321321401³ (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 (22321321403) 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, 3720220231 + ... + 3720220236.

It is an arithmetic number, because the mean of its divisors is an integer number (7440440468).

Almost surely, 2^22321321401 is an apocalyptic number.

It is an amenable number.

22321321401 is a deficient number, since it is larger than the sum of its proper divisors (7440440471).

22321321401 is an equidigital number, since it uses as much as digits as its factorization.

22321321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440440470.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22321321401 its reverse (10412312322), we get a palindrome (32733633723).

The spelling of 22321321401 in words is "twenty-two billion, three hundred twenty-one million, three hundred twenty-one thousand, four hundred one".