22144243003 has 4 divisors (see below), whose sum is σ = 22144799968. Its totient is φ = 22143686040.

The previous prime is 22144242983. The next prime is 22144243021. The reversal of 22144243003 is 30034244122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30034244122 = 2 ⋅15017122061.

It is a cyclic number.

It is not a de Polignac number, because 22144243003 - 2²⁹ = 21607372091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144240003) 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, 213843 + ... + 300028.

It is an arithmetic number, because the mean of its divisors is an integer number (5536199992).

Almost surely, 2^22144243003 is an apocalyptic number.

22144243003 is a deficient number, since it is larger than the sum of its proper divisors (556965).

22144243003 is an equidigital number, since it uses as much as digits as its factorization.

22144243003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556964.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22144243003 its reverse (30034244122), we get a palindrome (52178487125).

The spelling of 22144243003 in words is "twenty-two billion, one hundred forty-four million, two hundred forty-three thousand, three".