22001200313 has 4 divisors (see below), whose sum is σ = 22001841408. Its totient is φ = 22000559220.

The previous prime is 22001200289. The next prime is 22001200339. The reversal of 22001200313 is 31300210022.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 22001200313 - 2¹⁴ = 22001183929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001200343) 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, 265973 + ... + 338738.

It is an arithmetic number, because the mean of its divisors is an integer number (5500460352).

Almost surely, 2^22001200313 is an apocalyptic number.

It is an amenable number.

22001200313 is a deficient number, since it is larger than the sum of its proper divisors (641095).

22001200313 is an equidigital number, since it uses as much as digits as its factorization.

22001200313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641094.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22001200313 its reverse (31300210022), we get a palindrome (53301410335).

The spelling of 22001200313 in words is "twenty-two billion, one million, two hundred thousand, three hundred thirteen".