22002032 has 40 divisors (see below), whose sum is σ = 46299120. Its totient is φ = 10068480.

The previous prime is 22002031. The next prime is 22002061. The reversal of 22002032 is 23020022.

22002032 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002031) 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, 28532 + ... + 29292.

It is an arithmetic number, because the mean of its divisors is an integer number (1157478).

Almost surely, 2^22002032 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 22002032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23149560).

22002032 is an abundant number, since it is smaller than the sum of its proper divisors (24297088).

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

22002032 is a wasteful number, since it uses less digits than its factorization.

22002032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 22002032 is about 4690.6323667497. The cubic root of 22002032 is about 280.2125596847.

Adding to 22002032 its reverse (23020022), we get a palindrome (45022054).

The spelling of 22002032 in words is "twenty-two million, two thousand, thirty-two".