22449336 has 128 divisors (see below), whose sum is σ = 72844800. Its totient is φ = 5598720.

The previous prime is 22449319. The next prime is 22449341. The reversal of 22449336 is 63394422.

It is a junction number, because it is equal to n+sod(n) for n = 22449297 and 22449306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41226 + ... + 41766.

It is an arithmetic number, because the mean of its divisors is an integer number (569100).

Almost surely, 2^22449336 is an apocalyptic number.

22449336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22449336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36422400).

22449336 is an abundant number, since it is smaller than the sum of its proper divisors (50395464).

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

22449336 is a wasteful number, since it uses less digits than its factorization.

22449336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 585 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 22449336 is about 4738.0730260307. The cubic root of 22449336 is about 282.0987532010.

The spelling of 22449336 in words is "twenty-two million, four hundred forty-nine thousand, three hundred thirty-six".