23203222 has 16 divisors (see below), whose sum is σ = 40165632. Its totient is φ = 9847080.

The previous prime is 23203207. The next prime is 23203223. The reversal of 23203222 is 22230232.

It is a super-2 number, since 2×23203222² = 1076779022362568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23203196 and 23203205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203223) 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 7 ways as a sum of consecutive naturals, for example, 6604 + ... + 9487.

It is an arithmetic number, because the mean of its divisors is an integer number (2510352).

Almost surely, 2^23203222 is an apocalyptic number.

23203222 is a deficient number, since it is larger than the sum of its proper divisors (16962410).

23203222 is a wasteful number, since it uses less digits than its factorization.

23203222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16203.

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

The square root of 23203222 is about 4816.9722855752. The cubic root of 23203222 is about 285.2218320099.

Adding to 23203222 its reverse (22230232), we get a palindrome (45433454).

The spelling of 23203222 in words is "twenty-three million, two hundred three thousand, two hundred twenty-two".