22206330 has 48 divisors (see below), whose sum is σ = 58190184. Its totient is φ = 5875200.

The previous prime is 22206329. The next prime is 22206341. The reversal of 22206330 is 3360222.

It can be written as a sum of positive squares in 4 ways, for example, as 14538969 + 7667361 = 3813^2 + 2769^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11430 + ... + 13230.

Almost surely, 2^22206330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22206330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29095092).

22206330 is an abundant number, since it is smaller than the sum of its proper divisors (35983854).

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

22206330 is a wasteful number, since it uses less digits than its factorization.

22206330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 22206330 is about 4712.3592817187. The cubic root of 22206330 is about 281.0771856877.

Adding to 22206330 its reverse (3360222), we get a palindrome (25566552).

The spelling of 22206330 in words is "twenty-two million, two hundred six thousand, three hundred thirty".