22481032 has 64 divisors (see below), whose sum is σ = 50688000. Its totient is φ = 9144576.

The previous prime is 22481027. The next prime is 22481033. The reversal of 22481032 is 23018422.

It is a junction number, because it is equal to n+sod(n) for n = 22480994 and 22481012.

It is not an unprimeable number, because it can be changed into a prime (22481033) 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, 176953 + ... + 177079.

It is an arithmetic number, because the mean of its divisors is an integer number (792000).

Almost surely, 2^22481032 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 22481032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25344000).

22481032 is an abundant number, since it is smaller than the sum of its proper divisors (28206968).

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

22481032 is a wasteful number, since it uses less digits than its factorization.

22481032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22481032 is about 4741.4166659343. The cubic root of 22481032 is about 282.2314549327.

Adding to 22481032 its reverse (23018422), we get a palindrome (45499454).

The spelling of 22481032 in words is "twenty-two million, four hundred eighty-one thousand, thirty-two".