22323232 has 12 divisors (see below), whose sum is σ = 43948926. Its totient is φ = 11161600.

The previous prime is 22323199. The next prime is 22323239. The reversal of 22323232 is 23232322.

It can be written as a sum of positive squares in only one way, i.e., 22316176 + 7056 = 4724^2 + 84^2 .

It is a super-3 number, since 3×22323232³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22323239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348769 + ... + 348832.

Almost surely, 2^22323232 is an apocalyptic number.

It is an amenable number.

22323232 is a deficient number, since it is larger than the sum of its proper divisors (21625694).

22323232 is an equidigital number, since it uses as much as digits as its factorization.

22323232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697611 (or 697603 counting only the distinct ones).

The product of its digits is 864, while the sum is 19.

The square root of 22323232 is about 4724.7467657008. The cubic root of 22323232 is about 281.5695527084.

Adding to 22323232 its reverse (23232322), we get a palindrome (45555554).

It can be divided in two parts, 2 and 2323232, that multiplied together give a palindrome (4646464).

The spelling of 22323232 in words is "twenty-two million, three hundred twenty-three thousand, two hundred thirty-two".