22241440123 has 4 divisors (see below), whose sum is σ = 25418788720. Its totient is φ = 19064091528.

The previous prime is 22241440009. The next prime is 22241440129. The reversal of 22241440123 is 32104414222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32104414222 = 2 ⋅16052207111.

It is a cyclic number.

It is not a de Polignac number, because 22241440123 - 2¹³ = 22241431931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22241440129) 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, 1588674288 + ... + 1588674301.

It is an arithmetic number, because the mean of its divisors is an integer number (6354697180).

Almost surely, 2^22241440123 is an apocalyptic number.

22241440123 is a deficient number, since it is larger than the sum of its proper divisors (3177348597).

22241440123 is an equidigital number, since it uses as much as digits as its factorization.

22241440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177348596.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22241440123 its reverse (32104414222), we get a palindrome (54345854345).

The spelling of 22241440123 in words is "twenty-two billion, two hundred forty-one million, four hundred forty thousand, one hundred twenty-three".