22323432 has 64 divisors (see below), whose sum is σ = 59863680. Its totient is φ = 6918912.

The previous prime is 22323421. The next prime is 22323437. The reversal of 22323432 is 23432322.

It is a super-3 number, since 3×22323432³ (a number of 23 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22323399 and 22323408.

It is not an unprimeable number, because it can be changed into a prime (22323437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19878 + ... + 20970.

It is an arithmetic number, because the mean of its divisors is an integer number (935370).

Almost surely, 2^22323432 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 22323432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29931840).

22323432 is an abundant number, since it is smaller than the sum of its proper divisors (37540248).

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

22323432 is a wasteful number, since it uses less digits than its factorization.

22323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1158 counting only the distinct ones).

The product of its digits is 1728, while the sum is 21.

The square root of 22323432 is about 4724.7679308089. The cubic root of 22323432 is about 281.5703935924.

Adding to 22323432 its reverse (23432322), we get a palindrome (45755754).

The spelling of 22323432 in words is "twenty-two million, three hundred twenty-three thousand, four hundred thirty-two".