22481496 has 128 divisors (see below), whose sum is σ = 67032000. Its totient is φ = 6967296.

The previous prime is 22481453. The next prime is 22481507. The reversal of 22481496 is 69418422.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22481496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231720 + ... + 231816.

Almost surely, 2^22481496 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 22481496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33516000).

22481496 is an abundant number, since it is smaller than the sum of its proper divisors (44550504).

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

22481496 is a wasteful number, since it uses less digits than its factorization.

22481496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 168 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22481496 is about 4741.4655962055. The cubic root of 22481496 is about 282.2333966362.

The spelling of 22481496 in words is "twenty-two million, four hundred eighty-one thousand, four hundred ninety-six".