22201230321 has 24 divisors (see below), whose sum is σ = 32304660960. Its totient is φ = 14692021056.

The previous prime is 22201230319. The next prime is 22201230323. The reversal of 22201230321 is 12303210222.

22201230321 is a `hidden beast` number, since 2 + 220 + 123 + 0 + 321 = 666.

It is an interprime number because it is at equal distance from previous prime (22201230319) and next prime (22201230323).

It is not a de Polignac number, because 22201230321 - 2¹ = 22201230319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201230294 and 22201230303.

It is not an unprimeable number, because it can be changed into a prime (22201230323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1248390 + ... + 1266048.

It is an arithmetic number, because the mean of its divisors is an integer number (1346027540).

Almost surely, 2^22201230321 is an apocalyptic number.

It is an amenable number.

22201230321 is a deficient number, since it is larger than the sum of its proper divisors (10103430639).

22201230321 is a wasteful number, since it uses less digits than its factorization.

22201230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18685 (or 18682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22201230321 its reverse (12303210222), we get a palindrome (34504440543).

The spelling of 22201230321 in words is "twenty-two billion, two hundred one million, two hundred thirty thousand, three hundred twenty-one".