23222120213 has 4 divisors (see below), whose sum is σ = 23305954860. Its totient is φ = 23138285568.

The previous prime is 23222120191. The next prime is 23222120279. The reversal of 23222120213 is 31202122232.

It is a happy number.

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 8401005649 + 14821114564 = 91657^2 + 121742^2 .

It is a cyclic number.

It is not a de Polignac number, because 23222120213 - 2⁶ = 23222120149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222120113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41916908 + ... + 41917461.

It is an arithmetic number, because the mean of its divisors is an integer number (5826488715).

Almost surely, 2^23222120213 is an apocalyptic number.

It is an amenable number.

23222120213 is a deficient number, since it is larger than the sum of its proper divisors (83834647).

23222120213 is an equidigital number, since it uses as much as digits as its factorization.

23222120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83834646.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23222120213 its reverse (31202122232), we get a palindrome (54424242445).

The spelling of 23222120213 in words is "twenty-three billion, two hundred twenty-two million, one hundred twenty thousand, two hundred thirteen".