22443133213 has 16 divisors (see below), whose sum is σ = 23380899696. Its totient is φ = 21525903360.

The previous prime is 22443133211. The next prime is 22443133217. The reversal of 22443133213 is 31233134422.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3893510404 + 18549622809 = 62398^2 + 136197^2 .

It is a cyclic number.

It is not a de Polignac number, because 22443133213 - 2¹ = 22443133211 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 (22443133211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924831 + ... + 948787.

It is an arithmetic number, because the mean of its divisors is an integer number (1461306231).

Almost surely, 2^22443133213 is an apocalyptic number.

It is an amenable number.

22443133213 is a deficient number, since it is larger than the sum of its proper divisors (937766483).

22443133213 is a wasteful number, since it uses less digits than its factorization.

22443133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24384.

The product of its digits is 10368, while the sum is 28.

Adding to 22443133213 its reverse (31233134422), we get a palindrome (53676267635).

The spelling of 22443133213 in words is "twenty-two billion, four hundred forty-three million, one hundred thirty-three thousand, two hundred thirteen".