22340352 has 72 divisors (see below), whose sum is σ = 62628160. Its totient is φ = 7050240.

The previous prime is 22340321. The next prime is 22340359. The reversal of 22340352 is 25304322.

It is not an unprimeable number, because it can be changed into a prime (22340359) 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, 13827 + ... + 15357.

Almost surely, 2^22340352 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 22340352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31314080).

22340352 is an abundant number, since it is smaller than the sum of its proper divisors (40287808).

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

22340352 is a wasteful number, since it uses less digits than its factorization.

22340352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 22340352 is about 4726.5581557831. The cubic root of 22340352 is about 281.6415141964.

Adding to 22340352 its reverse (25304322), we get a palindrome (47644674).

The spelling of 22340352 in words is "twenty-two million, three hundred forty thousand, three hundred fifty-two".