22011330 has 32 divisors (see below), whose sum is σ = 57630528. Its totient is φ = 5336000.

The previous prime is 22011293. The next prime is 22011331. The reversal of 22011330 is 3311022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22011331) 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, 33021 + ... + 33680.

It is an arithmetic number, because the mean of its divisors is an integer number (1800954).

Almost surely, 2^22011330 is an apocalyptic number.

22011330 is an abundant number, since it is smaller than the sum of its proper divisors (35619198).

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

22011330 is a wasteful number, since it uses less digits than its factorization.

22011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66722.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 22011330 is about 4691.6233864197. The cubic root of 22011330 is about 280.2520264856.

Adding to 22011330 its reverse (3311022), we get a palindrome (25322352).

The spelling of 22011330 in words is "twenty-two million, eleven thousand, three hundred thirty".