22351152 has 20 divisors (see below), whose sum is σ = 57740600. Its totient is φ = 7450368.

The previous prime is 22351151. The next prime is 22351157. The reversal of 22351152 is 25115322.

It is not an unprimeable number, because it can be changed into a prime (22351151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232777 + ... + 232872.

It is an arithmetic number, because the mean of its divisors is an integer number (2887030).

Almost surely, 2^22351152 is an apocalyptic number.

It is an amenable number.

22351152 is an abundant number, since it is smaller than the sum of its proper divisors (35389448).

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

22351152 is a wasteful number, since it uses less digits than its factorization.

22351152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465660 (or 465654 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 22351152 is about 4727.7004981280. The cubic root of 22351152 is about 281.6868915526.

Adding to 22351152 its reverse (25115322), we get a palindrome (47466474).

The spelling of 22351152 in words is "twenty-two million, three hundred fifty-one thousand, one hundred fifty-two".