1223220110 has 32 divisors (see below), whose sum is σ = 2523640320. Its totient is φ = 418172832.

The previous prime is 1223220107. The next prime is 1223220151. The reversal of 1223220110 is 110223221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890 + ... + 49469.

It is an arithmetic number, because the mean of its divisors is an integer number (78863760).

Almost surely, 2^1223220110 is an apocalyptic number.

1223220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223220110 is an abundant number, since it is smaller than the sum of its proper divisors (1300420210).

1223220110 is a wasteful number, since it uses less digits than its factorization.

1223220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50720.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1223220110 is about 34974.5637571078. The cubic root of 1223220110 is about 1069.4690089631.

Adding to 1223220110 its reverse (110223221), we get a palindrome (1333443331).

The spelling of 1223220110 in words is "one billion, two hundred twenty-three million, two hundred twenty thousand, one hundred ten".