22260321 has 12 divisors (see below), whose sum is σ = 32198400. Its totient is φ = 14819640.

The previous prime is 22260319. The next prime is 22260341. The reversal of 22260321 is 12306222.

It is not a de Polignac number, because 22260321 - 2¹ = 22260319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22260294 and 22260303.

It is not an unprimeable number, because it can be changed into a prime (22260341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8080 + ... + 10478.

It is an arithmetic number, because the mean of its divisors is an integer number (2683200).

Almost surely, 2^22260321 is an apocalyptic number.

It is an amenable number.

22260321 is a deficient number, since it is larger than the sum of its proper divisors (9938079).

22260321 is a wasteful number, since it uses less digits than its factorization.

22260321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436 (or 3433 counting only the distinct ones).

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

The square root of 22260321 is about 4718.0844629998. The cubic root of 22260321 is about 281.3047988038.

Adding to 22260321 its reverse (12306222), we get a palindrome (34566543).

The spelling of 22260321 in words is "twenty-two million, two hundred sixty thousand, three hundred twenty-one".