22452352 has 64 divisors (see below), whose sum is σ = 49008960. Its totient is φ = 10183680.

The previous prime is 22452289. The next prime is 22452361. The reversal of 22452352 is 25325422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×22452352² = 1008216220663808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171327 + ... + 171457.

It is an arithmetic number, because the mean of its divisors is an integer number (765765).

Almost surely, 2^22452352 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 22452352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24504480).

22452352 is an abundant number, since it is smaller than the sum of its proper divisors (26556608).

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

22452352 is a wasteful number, since it uses less digits than its factorization.

22452352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 249 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 22452352 is about 4738.3912881905. The cubic root of 22452352 is about 282.1113856718. Note that the first 3 decimals are identical.

Adding to 22452352 its reverse (25325422), we get a palindrome (47777774).

The spelling of 22452352 in words is "twenty-two million, four hundred fifty-two thousand, three hundred fifty-two".