22321366 has 8 divisors (see below), whose sum is σ = 33502104. Its totient is φ = 11154000.

The previous prime is 22321363. The next prime is 22321379. The reversal of 22321366 is 66312322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×22321366³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321363) 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, 4786 + ... + 8218.

It is an arithmetic number, because the mean of its divisors is an integer number (4187763).

Almost surely, 2^22321366 is an apocalyptic number.

22321366 is a deficient number, since it is larger than the sum of its proper divisors (11180738).

22321366 is a wasteful number, since it uses less digits than its factorization.

22321366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686.

The product of its digits is 2592, while the sum is 25.

The square root of 22321366 is about 4724.5492906731. The cubic root of 22321366 is about 281.5617070192.

Adding to 22321366 its reverse (66312322), we get a palindrome (88633688).

The spelling of 22321366 in words is "twenty-two million, three hundred twenty-one thousand, three hundred sixty-six".