22231410221 has 4 divisors (see below), whose sum is σ = 23539140252. Its totient is φ = 20923680192.

The previous prime is 22231410209. The next prime is 22231410233. The reversal of 22231410221 is 12201413222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12201413222 = 2 ⋅6100706611.

It is an interprime number because it is at equal distance from previous prime (22231410209) and next prime (22231410233).

It can be written as a sum of positive squares in 2 ways, for example, as 7253077225 + 14978332996 = 85165^2 + 122386^2 .

It is a cyclic number.

It is not a de Polignac number, because 22231410221 - 2³⁰ = 21157668397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22231410193 and 22231410202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231410241) 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, 653864990 + ... + 653865023.

It is an arithmetic number, because the mean of its divisors is an integer number (5884785063).

Almost surely, 2^22231410221 is an apocalyptic number.

It is an amenable number.

22231410221 is a deficient number, since it is larger than the sum of its proper divisors (1307730031).

22231410221 is a wasteful number, since it uses less digits than its factorization.

22231410221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307730030.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22231410221 its reverse (12201413222), we get a palindrome (34432823443).

The spelling of 22231410221 in words is "twenty-two billion, two hundred thirty-one million, four hundred ten thousand, two hundred twenty-one".