22320204 has 12 divisors (see below), whose sum is σ = 52080504. Its totient is φ = 7440064.

The previous prime is 22320191. The next prime is 22320209. The reversal of 22320204 is 40202322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22320204³ (a number of 23 digits) contains 333 as substring.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (22320209) 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, 929997 + ... + 930020.

It is an arithmetic number, because the mean of its divisors is an integer number (4340042).

Almost surely, 2^22320204 is an apocalyptic number.

It is an amenable number.

22320204 is an abundant number, since it is smaller than the sum of its proper divisors (29760300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22320204 is a wasteful number, since it uses less digits than its factorization.

22320204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860024 (or 1860022 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22320204 is about 4724.4263143793. The cubic root of 22320204 is about 281.5568211118.

Adding to 22320204 its reverse (40202322), we get a palindrome (62522526).

The spelling of 22320204 in words is "twenty-two million, three hundred twenty thousand, two hundred four".