22144142213 has 4 divisors (see below), whose sum is σ = 22198284780. Its totient is φ = 22089999648.

The previous prime is 22144142077. The next prime is 22144142227. The reversal of 22144142213 is 31224144122.

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 11398124644 + 10746017569 = 106762^2 + 103663^2 .

It is a cyclic number.

It is not a de Polignac number, because 22144142213 - 2¹⁰ = 22144141189 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 (22144142263) 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, 27070670 + ... + 27071487.

It is an arithmetic number, because the mean of its divisors is an integer number (5549571195).

Almost surely, 2^22144142213 is an apocalyptic number.

It is an amenable number.

22144142213 is a deficient number, since it is larger than the sum of its proper divisors (54142567).

22144142213 is an equidigital number, since it uses as much as digits as its factorization.

22144142213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54142566.

The product of its digits is 3072, while the sum is 26.

Adding to 22144142213 its reverse (31224144122), we get a palindrome (53368286335).

The spelling of 22144142213 in words is "twenty-two billion, one hundred forty-four million, one hundred forty-two thousand, two hundred thirteen".