1232221110 has 16 divisors (see below), whose sum is σ = 2957330736. Its totient is φ = 328592288.

The previous prime is 1232221103. The next prime is 1232221121. The reversal of 1232221110 is 111222321.

1232221110 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1232221110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20536989 + ... + 20537048.

It is an arithmetic number, because the mean of its divisors is an integer number (184833171).

Almost surely, 2^1232221110 is an apocalyptic number.

1232221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232221110 is an abundant number, since it is smaller than the sum of its proper divisors (1725109626).

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

1232221110 is a wasteful number, since it uses less digits than its factorization.

1232221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41074047.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1232221110 is about 35103.0071361415. The cubic root of 1232221110 is about 1072.0858111257.

Adding to 1232221110 its reverse (111222321), we get a palindrome (1343443431).

The spelling of 1232221110 in words is "one billion, two hundred thirty-two million, two hundred twenty-one thousand, one hundred ten".