22232322 has 48 divisors (see below), whose sum is σ = 55628352. Its totient is φ = 6285600.

The previous prime is 22232317. The next prime is 22232323. The reversal of 22232322 is 22323222.

It is a super-2 number, since 2×22232322² = 988552283023368, which contains 22 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 junction number, because it is equal to n+sod(n) for n = 22232295 and 22232304.

It is not an unprimeable number, because it can be changed into a prime (22232323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11853 + ... + 13599.

It is an arithmetic number, because the mean of its divisors is an integer number (1158924).

Almost surely, 2^22232322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22232322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27814176).

22232322 is an abundant number, since it is smaller than the sum of its proper divisors (33396030).

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

22232322 is a wasteful number, since it uses less digits than its factorization.

22232322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863 (or 1860 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 22232322 is about 4715.1163294239. The cubic root of 22232322 is about 281.1868077287.

Adding to 22232322 its reverse (22323222), we get a palindrome (44555544).

It can be divided in two parts, 2 and 2232322, that multiplied together give a palindrome (4464644).

The spelling of 22232322 in words is "twenty-two million, two hundred thirty-two thousand, three hundred twenty-two".