22318152 has 32 divisors (see below), whose sum is σ = 55992480. Its totient is φ = 7413120.

The previous prime is 22318151. The next prime is 22318157. The reversal of 22318152 is 25181322.

It is a super-3 number, since 3×22318152³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22318151) 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, 6027 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (1749765).

Almost surely, 2^22318152 is an apocalyptic number.

It is an amenable number.

22318152 is an abundant number, since it is smaller than the sum of its proper divisors (33674328).

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

22318152 is a wasteful number, since it uses less digits than its factorization.

22318152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3289 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 22318152 is about 4724.2091401630. The cubic root of 22318152 is about 281.5481925720.

Adding to 22318152 its reverse (25181322), we get a palindrome (47499474).

The spelling of 22318152 in words is "twenty-two million, three hundred eighteen thousand, one hundred fifty-two".