22001340001 has 4 divisors (see below), whose sum is σ = 22007722500. Its totient is φ = 21994957504.

The previous prime is 22001339993. The next prime is 22001340037. The reversal of 22001340001 is 10004310022.

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 9774288225 + 12227051776 = 98865^2 + 110576^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001340001 - 2³ = 22001339993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001340401) 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, 3186076 + ... + 3192973.

It is an arithmetic number, because the mean of its divisors is an integer number (5501930625).

Almost surely, 2^22001340001 is an apocalyptic number.

It is an amenable number.

22001340001 is a deficient number, since it is larger than the sum of its proper divisors (6382499).

22001340001 is an equidigital number, since it uses as much as digits as its factorization.

22001340001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382498.

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

Adding to 22001340001 its reverse (10004310022), we get a palindrome (32005650023).

The spelling of 22001340001 in words is "twenty-two billion, one million, three hundred forty thousand, one".