23220110 has 16 divisors (see below), whose sum is σ = 43613856. Its totient is φ = 8884128.

The previous prime is 23220091. The next prime is 23220139. The reversal of 23220110 is 1102232.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23220091 and 23220100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50249 + ... + 50708.

It is an arithmetic number, because the mean of its divisors is an integer number (2725866).

Almost surely, 2^23220110 is an apocalyptic number.

23220110 is a deficient number, since it is larger than the sum of its proper divisors (20393746).

23220110 is a wasteful number, since it uses less digits than its factorization.

23220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100987.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 23220110 is about 4818.7249350840. The cubic root of 23220110 is about 285.2910128929.

Adding to 23220110 its reverse (1102232), we get a palindrome (24322342).

The spelling of 23220110 in words is "twenty-three million, two hundred twenty thousand, one hundred ten".