22021233013 has 4 divisors (see below), whose sum is σ = 23715174028. Its totient is φ = 20327292000.

The previous prime is 22021233011. The next prime is 22021233019. The reversal of 22021233013 is 31033212022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31033212022 = 2 ⋅15516606011.

It can be written as a sum of positive squares in 2 ways, for example, as 4570030404 + 17451202609 = 67602^2 + 132103^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021233013 - 2¹ = 22021233011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021233011) 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, 846970488 + ... + 846970513.

It is an arithmetic number, because the mean of its divisors is an integer number (5928793507).

Almost surely, 2^22021233013 is an apocalyptic number.

It is an amenable number.

22021233013 is a deficient number, since it is larger than the sum of its proper divisors (1693941015).

22021233013 is a wasteful number, since it uses less digits than its factorization.

22021233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693941014.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22021233013 its reverse (31033212022), we get a palindrome (53054445035).

The spelling of 22021233013 in words is "twenty-two billion, twenty-one million, two hundred thirty-three thousand, thirteen".