22223322 has 48 divisors (see below), whose sum is σ = 54486432. Its totient is φ = 6732720.

The previous prime is 22223291. The next prime is 22223323. The reversal of 22223322 is 22332222.

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 zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22223295 and 22223304.

It is not an unprimeable number, because it can be changed into a prime (22223323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3268 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (1135134).

Almost surely, 2^22223322 is an apocalyptic number.

22223322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22223322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27243216).

22223322 is an abundant number, since it is smaller than the sum of its proper divisors (32263110).

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

22223322 is a wasteful number, since it uses less digits than its factorization.

22223322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4173 counting only the distinct ones).

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

The square root of 22223322 is about 4714.1618555158. The cubic root of 22223322 is about 281.1488596333.

Adding to 22223322 its reverse (22332222), we get a palindrome (44555544).

Subtracting 22223322 from its reverse (22332222), we obtain a square (108900 = 330²).

The spelling of 22223322 in words is "twenty-two million, two hundred twenty-three thousand, three hundred twenty-two".