22022832 has 80 divisors (see below), whose sum is σ = 63433440. Its totient is φ = 6537216.

The previous prime is 22022809. The next prime is 22022839. The reversal of 22022832 is 23822022.

It is a junction number, because it is equal to n+sod(n) for n = 22022799 and 22022808.

It is not an unprimeable number, because it can be changed into a prime (22022839) 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, 17488 + ... + 18704.

It is an arithmetic number, because the mean of its divisors is an integer number (792918).

Almost surely, 2^22022832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31716720).

22022832 is an abundant number, since it is smaller than the sum of its proper divisors (41410608).

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

22022832 is a wasteful number, since it uses less digits than its factorization.

22022832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22022832 is about 4692.8490280426. The cubic root of 22022832 is about 280.3008331305.

Adding to 22022832 its reverse (23822022), we get a palindrome (45844854).

The spelling of 22022832 in words is "twenty-two million, twenty-two thousand, eight hundred thirty-two".