22011332 has 24 divisors (see below), whose sum is σ = 44189376. Its totient is φ = 9397728.

The previous prime is 22011331. The next prime is 22011343. The reversal of 22011332 is 23311022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 7 ways as a sum of consecutive naturals, for example, 6863 + ... + 9545.

It is an arithmetic number, because the mean of its divisors is an integer number (1841224).

Almost surely, 2^22011332 is an apocalyptic number.

It is an amenable number.

22011332 is an abundant number, since it is smaller than the sum of its proper divisors (22178044).

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

22011332 is a wasteful number, since it uses less digits than its factorization.

22011332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22011332 is about 4691.6235995655. The cubic root of 22011332 is about 280.2520349737.

Adding to 22011332 its reverse (23311022), we get a palindrome (45322354).

The spelling of 22011332 in words is "twenty-two million, eleven thousand, three hundred thirty-two".