22341043221 has 16 divisors (see below), whose sum is σ = 36046053504. Its totient is φ = 12015350784.

The previous prime is 22341043217. The next prime is 22341043237. The reversal of 22341043221 is 12234014322.

It is a happy number.

It is not a de Polignac number, because 22341043221 - 2² = 22341043217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22341043191 and 22341043200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22341043421) 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, 31289620 + ... + 31290333.

It is an arithmetic number, because the mean of its divisors is an integer number (2252878344).

Almost surely, 2^22341043221 is an apocalyptic number.

22341043221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22341043221 is a deficient number, since it is larger than the sum of its proper divisors (13705010283).

22341043221 is a wasteful number, since it uses less digits than its factorization.

22341043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62579980.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22341043221 its reverse (12234014322), we get a palindrome (34575057543).

The spelling of 22341043221 in words is "twenty-two billion, three hundred forty-one million, forty-three thousand, two hundred twenty-one".