22443143213 has 2 divisors, whose sum is σ = 22443143214. Its totient is φ = 22443143212.

The previous prime is 22443143183. The next prime is 22443143237. The reversal of 22443143213 is 31234134422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12100660009 + 10342483204 = 110003^2 + 101698^2 .

It is a cyclic number.

It is not a de Polignac number, because 22443143213 - 2⁸ = 22443142957 is a prime.

It is a super-3 number, since 3×22443143213³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22443143263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221571606 + 11221571607.

It is an arithmetic number, because the mean of its divisors is an integer number (11221571607).

Almost surely, 2^22443143213 is an apocalyptic number.

It is an amenable number.

22443143213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22443143213 is an equidigital number, since it uses as much as digits as its factorization.

22443143213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

Adding to 22443143213 its reverse (31234134422), we get a palindrome (53677277635).

The spelling of 22443143213 in words is "twenty-two billion, four hundred forty-three million, one hundred forty-three thousand, two hundred thirteen".