22302223 has 8 divisors (see below), whose sum is σ = 22721792. Its totient is φ = 21885336.

The previous prime is 22302221. The next prime is 22302227. The reversal of 22302223 is 32220322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22302223 - 2¹ = 22302221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22302197 and 22302206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24136 + ... + 25042.

It is an arithmetic number, because the mean of its divisors is an integer number (2840224).

Almost surely, 2^22302223 is an apocalyptic number.

22302223 is a deficient number, since it is larger than the sum of its proper divisors (419569).

22302223 is an equidigital number, since it uses as much as digits as its factorization.

22302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22302223 is about 4722.5229485943. The cubic root of 22302223 is about 281.4811940656.

Adding to 22302223 its reverse (32220322), we get a palindrome (54522545).

The spelling of 22302223 in words is "twenty-two million, three hundred two thousand, two hundred twenty-three".