22323132 has 36 divisors (see below), whose sum is σ = 60769800. Its totient is φ = 6868512.

The previous prime is 22323101. The next prime is 22323139. The reversal of 22323132 is 23132322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×22323132³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23382 + ... + 24317.

It is an arithmetic number, because the mean of its divisors is an integer number (1688050).

Almost surely, 2^22323132 is an apocalyptic number.

It is an amenable number.

22323132 is an abundant number, since it is smaller than the sum of its proper divisors (38446668).

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

22323132 is a wasteful number, since it uses less digits than its factorization.

22323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47722 (or 47717 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 22323132 is about 4724.7361831112. The cubic root of 22323132 is about 281.5691322646.

Adding to 22323132 its reverse (23132322), we get a palindrome (45455454).

The spelling of 22323132 in words is "twenty-two million, three hundred twenty-three thousand, one hundred thirty-two".