22245330 has 32 divisors (see below), whose sum is σ = 53740224. Its totient is φ = 5893056.

The previous prime is 22245323. The next prime is 22245331. The reversal of 22245330 is 3354222.

It is a junction number, because it is equal to n+sod(n) for n = 22245297 and 22245306.

It is not an unprimeable number, because it can be changed into a prime (22245331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2349 + ... + 7071.

It is an arithmetic number, because the mean of its divisors is an integer number (1679382).

Almost surely, 2^22245330 is an apocalyptic number.

22245330 is an abundant number, since it is smaller than the sum of its proper divisors (31494894).

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

22245330 is a wasteful number, since it uses less digits than its factorization.

22245330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 22245330 is about 4716.4955210410. The cubic root of 22245330 is about 281.2416372822.

Adding to 22245330 its reverse (3354222), we get a palindrome (25599552).

The spelling of 22245330 in words is "twenty-two million, two hundred forty-five thousand, three hundred thirty".