22052352 has 120 divisors (see below), whose sum is σ = 68573736. Its totient is φ = 6279168.

The previous prime is 22052347. The next prime is 22052431. The reversal of 22052352 is 25325022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75118 + ... + 75410.

Almost surely, 2^22052352 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 22052352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34286868).

22052352 is an abundant number, since it is smaller than the sum of its proper divisors (46521384).

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

22052352 is an equidigital number, since it uses as much as digits as its factorization.

22052352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 22052352 is about 4695.9931856850. The cubic root of 22052352 is about 280.4260181541.

Adding to 22052352 its reverse (25325022), we get a palindrome (47377374).

The spelling of 22052352 in words is "twenty-two million, fifty-two thousand, three hundred fifty-two".